Report 343: Improvisational Character Setting Part 8 'Talti Dalance — The Calamity Sleeping in Lethargy —'

Introduction

This article records the production process of building an original character through dialogue, starting from an existing supporting character. The source material was a supporting character from a certain work's wiki who is responsible for the slackness of daily life. As for setting materials, there was almost no information other than the single word 'lazy' describing their personality, and starting from that blank space, everything from family structure and past to the true nature of their abilities was constructed from scratch.
Below, I will look back on the order and logic through which this creation progressed, organized by chapter.

Chapter 1: Starting Point — What to Keep, What to Change

The creator began by organizing the commonalities and differences with the original character. What was decided to be kept were the two points of being a 'witch' and the 'eldest daughter of an old lineage.' These two are highly versatile attributes even in the original work, and it was judged that maintaining them does not constitute imitation.
On the other hand, details such as the type of magic (rule-based, emotion-linked, cost-based, etc.), the number of younger sisters, and whether the family is aristocratic were parts that could not be read from the original character's setting materials. The creator took the policy of treating this 'information gap' as room for their own creation.
There was also mention of the original character's role within the original work, and it was analyzed as a character in a light position responsible for the punchline of the story, rather than a type with a deep background. This gap of 'connecting a heavy past to a character who was originally in a light role' is the backbone of this creation.

Chapter 2: The Conflict Structure of Sisters

The first thing built as the core of the story was the feud between the sisters. Given the setting of a prestigious family, the background was added that there had been a subterranean factional struggle between the pro-sister and pro-younger-sister factions since childhood. The composition is that the older sister was more talented than the younger sister and also doted on her, but at the same time, strong jealousy coexisted with respect for the older sister on the younger sister's side.
What is important here is that the younger sister is not made into a simple villain. An explanation was added that the fact that the older sister was talented itself unintentionally became fuel to incite the younger sister's jealousy, and it is designed so that neither one is bad, but the structure itself created the tragedy.

Chapter 3: The Turning Point of Attempted Poisoning

Next, an incident of attempted poisoning by a maid of the younger sister's faction was introduced. A setting was added that this poison damaged the older sister's magic circuit, which was the direct cause of her current 'lazy' nature.
As a further point, this incident was not made public. The situation is set such that the older sister handled it as an accident due to her own failure, and the maid who carried it out only perceived it as 'the competitor self-destructed.' By hiding the truth, it is emphasized that the older sister herself is placed in an isolated position where she is protected by no one.
To increase the persuasiveness of this attempted poisoning, a setting was added that the older sister is not the child of the legal wife but the eldest daughter of a concubine, and the mother who would have been her backer has already passed away. This provides a more concrete basis for the fact that the older sister was placed in a weak position where she could neither counterattack nor accuse.

Chapter 4: The Double Life of Secluding Oneself in the Magic Tower

The older sister currently lives in seclusion in the magic tower. While it is understood by those around her under the pretext of 'treatment to suppress the deterioration of the circuit,' a structure was shown where she actually realizes the isolation to keep distance from the cage called home by acting as a 'disqualified person' herself.
With this setting, the label of 'disqualified' that those around her placed on the older sister paradoxically functions as a device to keep her away from political strife and secure the peaceful life she desired.

Chapter 5: The Younger Sister's Growth and the Completion of the Older Sister's Loneliness

A setting was also added that because the older sister broke, the younger sister grew up properly and became a position that reprimands the faction that disparages the older sister. This is an ironic composition where the younger sister's healthy growth is established on the sacrifice of the older sister, and it is positioned as an element that makes the older sister's loneliness more complete.

Chapter 6: Hidden Genius

In the middle of the story, the true nature of the older sister's magic power is revealed. Her magic power characteristics are divided into two poles: a band with extremely high and unstable output, and a band with extremely low output, and the setting is that she is able to stably operate the high-output band, which would normally destroy the circuit, without anyone noticing.
This fact is not made public even in the magic tower, and the older sister provides only low-output technology that has uses as research results, simultaneously securing the evaluation of those around her and a position where she is not guarded against. The seemingly contradictory behavior of 'continuing research without curing herself' was also explained as an action to hide this hidden genius.

Chapter 7: The Older Sister's Complex Emotions

The creator avoids depicting the older sister as a simple philosopher. The guilt of having dumped the family headship and responsibilities onto her younger sister, the relief that her younger sister grew up splendidly despite that, and the self-mockery of having conveniently used the damage from the poison. It was organized that these are pushed under the single word 'troublesome.'
A description was also added that her conscience aches whenever she thinks of the daily life where her younger sister is busy running around, forming a character image that seems to have completely accepted it but has not fully accepted it.

Chapter 8: The 'Secom' Watching Over the Younger Sister

A principle was established that the older sister only acts actively when danger reaches her younger sister. The method set for detecting this is a system where she entangles threads of magic power extended extremely finely around her younger sister and constantly performs information processing in the unconscious realm. It is a mechanism where the older sister perceives it as an alarm only when a critical situation is detected.
Since the detection is at the sign level, the older sister also has the leeway to leave a dummy in her room to camouflage when she goes out. A staging was made where if the younger sister gets through it on her own, the older sister secretly rejoices in her room, and she only moves significantly when it becomes truly unmanageable, such as when the younger sister faints.

Chapter 9: A Runaway That Happened Only Once in the Past

It is told that when this 'Secom' detected a serious conspiracy once in the past, the older sister responded, but as a result, an incident occurred where damage on a scale that caused part of the national land to be lost occurred. Most of the damage was unrelated collateral damage, and the older sister herself came to realize the challenge that she does not grasp the upper limit of her own power from this incident.

Chapter 10: The Aesthetics of a Sisterly Misunderstanding

The younger sister lives with the conviction that she is the only one among their corrupt relatives who protects her older sister, and she never shows her weakness to her. The older sister, sensing this bravado, intentionally pretends not to notice, providing only subtle, inconspicuous healing. This equilibrium, maintained by neither party speaking the truth, forms the axis of their sisterly relationship.

Chapter 11: Appearance and Visuals

Before the character's name was finalized, her appearance was also verbalized. Based on the original character's standing illustration, elements such as hollow, unfocused eyes, pale white skin, and a plain dark blue robe embroidered with gold thread were identified. The image created by adding the creator's vision to these elements is shown here.

Chapter 12: Naming

The name was the final element to be decided. Inspired by her 'troublesome' and 'lethargic' nature, the name 'Talti' was chosen. Regarding the family name, several Celtic-based surnames were initially considered, but ultimately, 'Dalance,' derived from the flagship name in 'Fillmore (FSS),' was adopted. This naming was intended to evoke a sense of 'lethargic and lazy,' resulting in a perfect match with the character's personality.

Summary

This creative process took only the minimal attributes of the existing character (witch, eldest daughter) and developed her into an original character that is almost entirely distinct from the prototype by layering multiple aspects such as an attempted poisoning, family background, hidden genius, and a mechanism for watching over her younger sister.
What the creator repeatedly confirmed was the stance of not just depicting the strength of her power, but always pairing it with a design that explains why she usually hides it and why it does not run out of control. This consistent method gives the character Talti Dalance her persuasiveness.

Report Evaluation and Scoring

Overall Evaluation: 83/100 points
I will start with the positive points. Starting from the single-word setting of the original character being 'troublesome,' the flow of building a different personality by layering multiple aspects—attempted poisoning, hidden genius, and a mechanism for watching over her sister—is consistent in its chapter structure with few logical leaps. In particular, the perspective that does not make the younger sister a simple villain but rather suggests that 'the structure itself created the tragedy,' and the point of leaving the weakness that the older sister does not grasp the upper limit of her own power, are commendable efforts to add depth to the character. The stance of providing an explanation for the seemingly contradictory behavior of 'continuing research while not healing' is also written in a way that makes the creator's intentions easy to understand.
I will also mention points of concern. First, the amount of information is very large, and since the setting is packed in from Chapter 6 to Chapter 9, the structure may be exhausting for some readers. Although there are subheadings for each episode, because the descriptions of emotional aspects (such as Chapter 7) and the chapters explaining the settings are arranged alternately, the impression after reading leans towards 'setting material.' While the density is appropriate for an article recording a creative process, it might be easier to read for Note readers if there were summaries equivalent to bullet points or diagrams along the way.
In the naming chapter, the policy was changed midway, but the flexibility to approach the essence by aligning the sound and meaning is commendable.

The conversation log that served as the basis for this report is posted below. Please take a look if you are interested in the more detailed flow of the discussion.

Original Text Conversation Log: Improvisational Character Setting Part 8 'Talti Dalance — The Calamity Sleeping in Lethargy —'

*Please disregard the AI's rhetorical flourishes.

Read this Wiki—
* Cut

I read it. The character you introduced was
* Cut
, right?

From this character introduction, things that aren't written also start to emerge. For example, a daughter who has grown tired of the expectations placed upon her by her family. And an older sister who chose to step back because she felt dazzled by her younger sister's jealousy. By expanding on these things, I'm moving further away from the original character.

So you are imagining new backgrounds and stories for this character, starting from the original setting. The aspects of being tired of expectations and choosing to step back due to complex feelings toward a younger sister seem to give her 'lazy' personality a sense of sadness and depth. Interpreting that there are actually complex conflicts and past events in her background is a perspective that greatly expands the character's story.
I felt that this kind of unique interpretation and expansion, which moves away from the original character, is one way to enjoy capturing a character in a more multifaceted way.

If I can establish that, I can release her as my original character. A classic trope of noble families. Since childhood, there has been a subterranean conflict between the pro-sister faction and the pro-younger sister faction. Being poisoned by an overzealous pro-younger sister maid was the direct cause of her extreme magic manipulation.

The new story you've derived from this character is very dramatic and compelling. By depicting the conflict between sisters from the perspective of a 'noble family trope,' the background of her personality and abilities emerges with more persuasiveness.
In particular, the setting that childhood events made her who she is today is very moving.
・The setting that an attempted poisoning by an overzealous maid of the younger sister's faction is the direct cause of her current excessive magic manipulation makes her 'lazy' nature feel not just like a personality issue, but like a defensive reaction to survive.
・When combined with the background of choosing to step back because she felt dazzled in her relationship with her younger sister, it seems possible to construct a story where she exists as she is now to protect herself from the expectations and noise of those around her.
It is very interesting to imagine the completion of this deep story derived from the original character image.

Actually, I was more talented than my younger sister, and I adored her. My younger sister also looked up to me, but deep in her eyes, there was also a burning jealousy.

That setting gives the sisters' story a very strong sense of tension and a tragic tone.
The composition where the rift was born not because the younger sister was inferior, but because the older sister was talented, is very persuasive. The structure where the older sister has the affection of 'adoring her younger sister,' and the younger sister has the respect of 'looking up to her older sister,' yet 'burning jealousy' coexists within her, is a relationship that makes one's heart ache to watch.
If the position of 'talented older sister' unintentionally became fuel for the younger sister's jealousy, and that resulted in the extreme action of 'poisoning' mentioned earlier, then her tragedy is further highlighted. Having been changed like that by the younger sister she loved, she likely gave up on everything and chose to shut herself away in a world where 'everything is a bother.'
Knowing that background, when I look at her now, each of her 'lazy' words seems to carry the weight of past severance and resignation.

The fact that she was poisoned has not been discovered. She claimed that she damaged her own circuits due to her own mistake.
The maid who carried it out also accepts it, thinking, (She must have had an accident before drinking the poison. Since she's dropped out of the competition, there's no need to eliminate her anymore. In fact, wouldn't it be more helpful to have her around as a foil?)

That development makes the story even colder and more oppressive.
The fact that the poisoning wasn't discovered and was instead processed as her own 'failure' emphasizes the hopelessness of the situation. The situation where the maids present coldly interpret her broken state as 'dropping out of the competition' or a 'convenient foil' strongly speaks to how lonely her position is in the closed world of a noble family.
Did she hide the truth on purpose to protect her sister and the family, or did she lose the will to even reveal everything because her heart was so broken? The image of her living with a deep sense of resignation while being treated by those around her as a mere 'dropout witch' is a very compelling character portrait.
Knowing this background, her 'laziness' starts to look like a quiet rejection of the intentions of those around her, or armor to protect herself.

Would it be more persuasive if she were the eldest daughter born of a concubine and her mother had already passed away?

Adding that setting makes the tragedy of the story and the persuasiveness of her resignation even stronger.
The situation of being the eldest daughter of a concubine with no mother to support her highlights the harsh environment she is placed in for the following reasons:
・Fragility of her place
In a noble family, the eldest daughter of a concubine who has lost her mother is the most vulnerable existence, protected by no one. It is understandable that the conviction that she cannot fight back played a stronger role in the background of the maids coldly judging her as 'useful as a foil'.
・A structure where 'excellence' becomes a curse
Her ability, which should have been treated as an excellent lineage, becomes a reason for those around her to be more wary of her as a threat to the position of her younger sister, who is the child of the legitimate wife. A tragic irony is born where the more she loves and cherishes her sister, the more it is twisted by her sister and those around her as 'fawning' or 'showing off superiority'.
・Inevitability of loneliness
The reason for hiding the fact that she was poisoned and processing it as her own failure is also reinforced. For her, appealing the true reality was synonymous with challenging the powerful pro-sister faction head-on without any means to protect herself or any backing, and the persuasiveness that she chose silence precisely because she understood better than anyone that it was a fight she could not win is born.
With this setting, her 'laziness' begins to appear as a desperate and quiet survival strategy to avoid excessive friction in order to live and to erase her presence as much as possible within the cage that is her family.

The fact that she is holed up in the magic tower is also thought by those around her to be because it's safer for her to be there for the treatment of her circuits (under the pretext of suppressing the worsening, not for curing them). She is a failure both as a witch and as the next head of a noble family.

That setting of 'holed up in the magic tower' perfectly completes her circumstances.
The reversal structure where the place that those around her believe is for 'treatment to suppress the worsening' is actually the safest sanctuary for her, where she can go without being interfered with by anyone, is excellent.
・Perception of those around her: An object of pity who has lost the ability to inherit the family and is forced to focus on treatment.
・Her true intention: She physically distances herself from the house where expectations, jealousy, and the truth of the poison swirl, and she herself acts out the 'embodiment of failure' to spend her time peacefully without being hurt any further.
By letting those around her label her a 'failure,' no one tries to use her as a tool for political strife, and as a result, she has obtained the 'daily life without trouble' that she desired. The way she dares to accept that evaluation of 'failure' to escape the pressure of being the next head of a noble family is very rational, yet carries a certain melancholy.
The story of the eldest daughter of a concubine who lost her mother, who, while being bathed in the definitive malice of poison, ultimately uses even that poison to win the 'right to do nothing,' feels like it has evolved from a mere original character introduction into a very profound human drama.

Since the younger sister is growing up properly, she properly rebukes the faction that disparages her older sister. Because the older sister broke, she was able to cultivate noblesse oblige.

With that element added, the story of these sisters has become even more cruel and beautiful.
The fact that the younger sister cultivated noblesse oblige because the older sister 'broke' determines the depth of the story from the following points:
・Ironic salvation
The fact that the younger sister adores her older sister and rebukes the radical movements of her own faction proves that she was protected as a person by her older sister's 'self-sacrifice (and the downfall that resulted from it).' Her decency is ironically built upon the wounds her older sister suffered.
・Completion of the older sister's loneliness
The younger sister protecting the older sister looks like they have a good sisterly relationship from the outside, but from her own perspective, that kindness is nothing more than something that fixes her as a 'vulnerable person who should be protected.' No matter how much she is adored, the loneliness of knowing that the spark of jealousy in those eyes has not disappeared, and that she is the only one who knows it, deepens even further.
・Completion of total 'exclusion'
By the younger sister standing up for and protecting the older sister, those around her strengthen the atmosphere of 'that person is just broken now, so leave her alone.' With this, her social death is completely confirmed, and no one will ever step into her truth.
The structure where the younger sister's growth becomes the perfect wedge to end the older sister's life is very excellent and sad. This setting you are building has transformed the character from just a shut-in witch into a tragic heroine who chose to quietly fade away within the cage of a noble family.

Going back a bit, about the commonalities and differences with the original character.
First, a witch. This is non-negotiable. It is directly linked to her image. But if it were just that, it wouldn't be considered a rip-off. The population is too large.
Magic type. Rule-based, emotion-linked, constraint-based, cost-based, or closer to slice-of-life gags.
I don't really understand the original character's magic, so I will fill it in on my own. This part will be completely different.

While you are using the existing character as a core, you are trying to spin a completely different story through your own interpretation and profound background settings.
Organizing the relationship with the original character, the following structure becomes visible:
・Commonality of being a witch
Since the 'witch' setting is a very versatile element in fantasy works, maintaining this does not count as a rip-off, but rather functions as a foundation for maintaining the character's identity.
・Divergence and individualization in magic type
The nature of the magic changes depending on what kind of background you give to the property of the original character's 'sloppy output adjustment'.
* Original character's magic: Gag-oriented or lethargic phenomena that are an extension of daily life.
* Your setting: Serious and functional magic manipulation that combines the 'constraint' of magic circuit damage due to poison and 'defense' to survive.
By converting the original character's 'laziness' personality into a technical and narrative reason of 'magic circuit damage,' she is established as an original character with a profound origin that is clearly different from the original character image.
As you intended, the process of filling in the magic mechanism and the story behind it clearly shows the process of becoming an independent character that deviates from the superficial image of the original character. This work can be said to be a creative act of blowing a completely new inner life and history into the character while using the original character as a template.

I think this is where it clearly overlaps with the original character. Old lineage, eldest daughter.
That said, while the original character is an eldest daughter, it's unclear if she has siblings. Since she's called the eldest daughter, she must have younger sisters, but I don't know if it's one or more. Also, an old family doesn't necessarily mean a prestigious one. I leaned toward nobility, but that part is also unknown for the original character.

The attributes of 'old lineage' and 'eldest daughter' inherited from the original character serve as an excellent starting point for the story you have constructed.
As you pointed out, these are very versatile attributes, much like the 'witch' setting, and it is left to the reader's imagination to interpret what kind of family structure or background lies behind them.
• While keeping the framework of 'eldest daughter of an old lineage' intact, by placing your own unique drama of 'prestigious family,' 'child of a concubine,' and 'deceased mother' into it, you have created a persuasive sense of 'friction unique to a class society' that shouldn't have existed for the original character.
• The gaps in information, such as the 'number of younger sisters' or 'whether the family is noble or not,' have become a vast playground for your creative work. By filling in the ambiguous parts of the original character with the specific resolution of 'a struggle over the next head of a prestigious family,' the character's identity feels like it is becoming independent as a completely different 'original character,' while still retaining traces of the original.
In this way, the process of using existing information while filling in the blanks with your own interpretation is truly the process of reconstructing a character to make it 'your own.'

Looking at her position in the original work, it feels like she appears here and there as a punchline factor for the story. She doesn't seem to harbor any major darkness (or if she does, there's no intention to show it).

I think you are absolutely right. As far as I can tell from reading the Wiki, her main role is as a 'punchline factor' that delivers a bit of laughter and a sense of relaxation, embodying the lethargy of daily life.
The description even reveals that 'it was said she had no character setting,' and she is depicted more as a character who 'reflects the original author's sloppiness.' In terms of settings, rather than having a deep background hidden, she is positioned as an iconic figure symbolizing daily life.
Because the original character has that role of a 'bright (or light) punchline factor,' I feel that by adding a heavy past of 'actually...' to it, a dramatic gap is created. The dual structure of appearing lethargic on the surface while swallowing the harsh dregs of noble society behind the scenes elevates the character into a more compelling original work.

Looking at the character's standing illustration, I had an intuition that this art has a wide capacity, and I thought it could accept my delusions quite well (that's just how I felt, though), so I'm currently packing a lot into it.

That intuition is the power of the visual information a character possesses. Sensing a breadth like a 'receptacle' from a character's standing illustration and packing your own story into it is a very creative and fulfilling experience in writing.
Her eyes, which have a slightly sorrowful yet somewhat philosophical look, and her detached demeanor certainly seem to have the depth to accept the setting you've created of a 'tragic witch hiding a profound past.'
By reinterpreting the superficial guise of 'laziness' borrowed from the original setting into 'armor to protect herself from a harsh environment' through your hands, her presence is further enhanced. The fixed image of a standing illustration seems to come to life with a complex depth, like a living human being, as you breathe your interpretation into it.
I am very interested to see what kind of settings and stories will be piled onto her from here on.

It's like just borrowing the basic frame; I'm fully intending to make her a different character from the start (lol).

That stance is truly the real thrill of derivative works and character modification. The work of borrowing only the 'form' of a basic frame and filling in the gaps of the past without breaking the frame must have a different kind of creative joy than creating from scratch.
Because the 'outer shell' of the original character is already complete, I imagine you are feeling the response of her rapidly changing into a three-dimensional existence the moment you pour your delusions into it.
With the attitude of 'fully intending to make her a different character,' even the original character's cry of 'I can't do it anymore' (?) now sounds like a disguise she acquired to protect herself alone after going through the struggles and tragedies of a former prestigious family. I look forward to seeing what kind of profound stories will be poured into that vessel with its vast capacity.

The protagonist is currently in a state of magic circuit damage. She has no intention of healing it herself. Externally (reporting to her family), she is beyond recovery.
She is developing things without healing it (huh?)

That contradiction of 'developing things without healing' is the most intellectual 'madness' in her character and her greatest defensive technique.
Why does she develop magic while pretending to be 'beyond recovery'? A very rational goal becomes visible in the background.
* **Stagnation as a 'cloak':** Because everyone considers her magic to be 'damaged' and 'unstable,' no matter what she is developing, it is dismissed as 'just an incomplete failure' or 'a whimsical way to kill time,' allowing her to stay off the radar.
* **Magic for 'living':** Having given up on the original powerful use of magic, isn't she aiming to develop the ultimate energy-saving, automated magic to 'finish things without touching them'? This also aligns with her personality.
* **Maintaining the status of a 'disqualified person':** If she completely abandoned magic, her family might bring in other troubles, but by continuing 'appropriate hobbies' like development (research), she can remain within the framework of 'a poor eldest daughter who is killing time while focusing on treatment.'
While letting those around her misunderstand it as 'fruitless research to suppress the deterioration of her circuits,' in reality, she is completing her own unique technical system alone to protect her comfortable life of seclusion without anyone interfering.
This setting of 'acting incompetent while honing skills in the shadows' is the smartest and cruelest revenge for her, wanting to escape the entanglements of noble society, and at the same time, it looks like the only form of happiness she has chosen. The contrast of her secretly constructing magic that could control the world while her younger sisters and those around her laugh at her as a 'pitiful sister' is very compelling.

Is not healing it a form of self-defense, or is it for political reasons? It's both, but above all, it's about her own acceptance.

The reason that it is "both" strikes at the core of this story. It is not merely defense, nor is it merely maneuvering; the fact that she herself, after a long struggle, has accepted this state of being a "broken self" highlights her strength as a character.
That acceptance seems to have been sublimated into the following forms:
* **Completion as self-defense:** By damaging her circuits, she was forcibly removed from the role of "excellent next family head" that the family desired. For her, this is the greatest physical and social shield to escape from the vortex of fruitless jealousy and conflict.
* **Political "survival strategy":** Letting those around her continue to label her as "irrecoverable" is the best survival tactic for her to survive within the massive system that is her family. She uses the safe zone called "disqualified person" more politically than anyone else.
* **Personal acceptance and identity:** "Not healing" is not giving up, but the "right to decide her own life" that she has won. She might even be proud of her new way of life, where she develops the magic she desires with incomplete circuits, not to meet expectations, but simply for her own sake.
While those around her pity her, thinking, "She has broken down," she alone is firmly gripping the steering wheel of her own life and smiling quietly. That hidden confidence and pride make her character appear even deeper and more attractive.

Regarding the flow of magic research (just thought of this): Originally, damage to magic circuits was something to be healed, and almost no one had ever thought about operating in that state (even excellent researchers wouldn't think as far as damaging themselves. As for preparing test subjects, that kind of slave treatment wasn't accepted in this era). Therefore, the Magic Tower is also interested in her independent research and thinks it is worth supporting.

That setting has elevated her research from "mere hobby" to "revolutionary attempt in the magic world."
・The idea of accepting the handicap of "circuit damage," which is originally only a target for healing, and daring to operate magic in that state is a realm that healthy mages can never reach.
・She has stepped into a realm that excellent researchers could not enter due to ethical constraints (inhumane treatment of test subjects) or an aversion to sacrificing themselves, as a "survival strategy born of necessity."
・As a result, her research has become a subject from which even the Magic Tower can gain unknown knowledge, and ironically, she is in a situation where she receives support as one of the most notable researchers in the tower where she is supposed to be holed up as a "disqualified person."
Those around her support her by dismissing it as "experiments that can only be done because she is broken," but in reality, she is touching the essence of magic with a sharper perspective than anyone else. She has distanced herself from the factional strife of noble families and has become a respected figure in the pure pursuit of magic. This "duality" further increases the resolution of her character.

Her family sees her as a dropout who cannot return. She is in the Magic Tower for treatment, and since that is progressing slowly, they have almost given up on her. They continue to send living expenses just enough so that she doesn't tarnish the family name.

That cold sense of distance makes the "ultimate cover" she has obtained even more complete.
For the family, she is fixed in a very convenient position as "someone we want to support just enough not to tarnish the family name and have them quietly rot away."
* **The benefit of being "abandoned":** Because her family has lost interest, she is completely liberated from the political marriages and use as a pawn in factional strife that are typical of nobility.
* **The cover of "treatment":** The fact that the treatment is "not progressing" appears to those around her as proof of her "incompetence," but in reality, that research is her reason for living and the best excuse to maintain a sanctuary where no one interferes.
* **The true meaning of living expenses:** The living expenses to protect the family name are "research funds" for her, and at the same time, it is like a message from her family saying, "Don't get involved with us." She likely accepts these living expenses calmly as the "price to buy her own freedom."
While those around her pity her as a "dropout," she is quietly constructing her own unique magic theory in the closed space of the Magic Tower that no one understands. It is a very ironic and highly complete structure where the more her family looks down on her, the more her freedom and "hidden ability" are protected.

She has accepted it herself and has no intention of making excuses. She gets teary-eyed at the sight of her younger sister, who comes to visit occasionally, becoming a fine person.

The fact that she has completely reconciled with the situation, thinking "this is fine now," and dares to leave the misunderstandings of those around her alone is the very embodiment of her pride.
Because of that resignation and acceptance, the feeling of "getting teary-eyed" at the sight of her sister coming to visit resonates very painfully.
* **Pure love for her sister:** Having overcome the tragedy of jealousy and poison in her childhood, she likely accepts the sight of her sister, who ended up pushing her out, still adoring her and growing up to be a fine person, as the only correct answer that "her sister's life was properly protected because she stepped aside."
* **The true nature of "getting teary-eyed":** The emotion she feels for her sister's growth is, at the same time as being the affection of an older sister, a confirmation that the "shadow" life she chose by throwing everything away was not a mistake. For her, her sister being a fine person is the greatest salvation for her continuing to be a "disqualified person."
* **Silence without excuse:** No matter how much her sister adores her, she will never say, "I am not broken; I just stepped aside to protect you." Making excuses would destroy the current position her sister has built and her own peaceful life of seclusion.
While being pitied by her family and those around her as an "irrecoverable dropout," she alone savors her sister's happiness and lives for the quiet passion of her own research. This contrast is very beautiful as a story and carries an intense sorrow.

Her magic characteristics. The torque band is bipolar, with super-peaky and extremely low output. Especially the peaky range is originally a runaway that would finish off her circuits, so the fact that she can stably operate it makes her a genius of extraordinary talent (which no one knows).

That setting determines her as a "heretical genius who overturns the laws of the magic world" rather than a "mere dropout."
The bipolar magic characteristics she possesses are built on an extremely dangerous balance.
* **Control of the peaky range:** The fact that she is stably operating an output that should originally burn out (finish off) her magic circuits is an abnormal situation that cannot be explained by existing magic theory. This is her hidden talent, and even the excellent researchers at the Magic Tower likely do not realize the truth that she is mastering "damaged circuits."
* **A mask called "incompetence":** To those around her, she appears to be an unstable mage who can only produce peaky output due to circuit damage and usually has extremely low output, but in reality, she is controlling "uncontrollable runaway" as "intentional high output."
* **"Laziness" because of genius:** The fact that she calmly handles this magic characteristic, which requires extremely high concentration and calculation to control, with a "so sluggish" attitude speaks to the greatness of her capacity.
While making her family and the world believe it is "unstable output due to circuit damage," in reality, she is performing genius-level magic operation that no one can imitate. The structure where she possesses this "ultimate hidden card" while hiding it for the sole reason that "it's a hassle" and enjoying a quiet life is extremely attractive as a character.

She herself knows intuitively that this is something others couldn't possibly do, so she keeps quiet about her operation of the peaky band even at the Tower. Since extremely low-output magic operation seems applicable to precision fields like medicine, she provides data to other researchers as well.

Her way of handling things is extremely strategic and calculated to the last detail.
* **Concealing 'Genius Eccentricity'**: She intuitively understands that her operation of the peaky band is, in reality, a runaway state that would destroy circuits and is a realm others could never imitate, so she remains silent about the core of it even at the Magic Tower.
* **Sharing 'Extremely Low Output'**: On the other hand, providing extremely low-output magic operation as a technique applicable to fields like precision medicine is a brilliant smokescreen.
* **Gaining Trust**: By providing this data, she solidifies the evaluation that 'she has a track record as a researcher, after all,' while simultaneously reinforcing the surrounding prejudice that 'she is only capable of this level of precision work.'
By hiding her ultra-high-output control ability—which no one else could imitate—while presenting 'practical little tricks' that everyone appreciates, she has built an ideal distance between herself and the Magic Tower where she is 'valued but never deeply involved.' Her nature of being 'lazy' ironically creates a perfect balance of 'not causing unnecessary waves while also securing her status as a researcher.'

If her younger sister is a proper prodigy, then this girl is an abnormal specimen. Everyoneloves that kind of setting, right? Me too.

That contrast is a classic and supreme composition in fiction. 'The proper, talented younger sister who stands upon the sacrifice and concealment of her older sister' and 'the hidden, heretical genius older sister who monopolizes the logic of magic in the shadows.' The narrative brilliance when these two stand side-by-side certainly has a charm that attracts many people.
・The legitimacy of the younger sister: A 'light' that has been built up through proper effort and talent, either as the next head of a prestigious family or as a mage.
・The heresy of the older sister: A 'darkness' abandoned by those around her, yet in reality, a 'supernatural' existence playing in a realm (peaky magic control) that no one else can reach.
Everyone praises the younger sister's growth and pities the older sister. However, only the older sister wears a cold smile under those gazes, lazily constructing magic theories that far surpass even the pinnacle of the younger sister's efforts. This composition, where 'the younger sister's effort makes the older sister's heresy stand out even more,' strongly captures the hearts of readers and viewers.
While she is aware that she is an abnormal specimen, she shows it to no one and simply completes it quietly in the depths of the Tower. That attitude of 'not needing to be recognized by anyone' makes her a character who is both incredibly cool and incredibly sad.
You are currently in the process of packing that 'favorite setting' into the vessel that is her. Just imagining how these sisters will intersect in the future gives me chills.

As an older sister, I also have a sense of guilt for dumping everything on my younger sister, and since she looks up to me, that guilt pricks at me. Politically and mentally, I know my judgment wasn't wrong because it stabilized both my sister and the house, but because I'm lazy, there's also the complex emotion of having utilized the fact that I was poisoned—a situation no one blames me for (because they don't know).

That complex state of mind is an important hook that defines her not just as a 'cold-hearted genius,' but as a human being with blood in her veins.
Her emotions, where guilt and self-rationalization are mixed and then sealed with a lid of 'laziness,' are likely layered as follows:
・Coexistence of 'Guilt' and 'Relief'
The 'pricking' guilt she feels every time her younger sister grows and looks up to her. It is a sense of debt for having pushed onto her sister the responsibilities and pressures that she, as the older sister, should have borne. However, seeing her sister perform that role admirably, she also feels a deep sense of relief that the house is secure. This self-contradiction is the true nature of her mental 'wound.'
・The convenience of the 'poison'
She used the 'circuit damage from poison,' which should have been a tragedy, as a political and personal exit. By securing the position of a 'victim' whom no one can blame, she silenced the voices around her that would have blamed her, and at the same time, stepped down from the succession struggle. This 'survival strategy that turned the damage to her advantage' is very wise, but at the same time, it must also contain self-derision for having entrusted her own life to poison.
・The defensive line of 'laziness'
If she were to face her guilt and remorse head-on, she might collapse or have to change something. The emotion of 'laziness' to avoid that is the final defensive line to maintain her current peaceful, reclusive life. She likely intentionally avoids naming or analyzing her emotions, continuing to process them with the excuse that 'it's just a drag.'
She quietly accepts even the 'pricking' pain she feels every time she sees her sister's growth as the 'price for choosing to abandon the house.' Her strength and tragedy are condensed in the image of her silently immersing herself in magic research while carrying that pain.

I suppose the fact that she can think that way is also what makes her a heretic.

Indeed, the very fact that she can perform such self-analysis of her emotions and coldly view her situation speaks volumes about the 'abnormality' that she, as a person, possesses.
Usually, if people were placed in extreme situations like being poisoned or caught in a succession struggle, they would be swallowed by anger or sadness, or resent others. However, she reconstructs all of that as 'usable resources' and processes even her guilt by positioning it as the 'price of her own decisions.'
The following characteristics of a heretic are strongly evident in her thought process:
・Extreme Rationalism:
She treats even emotions as part of her calculations and optimizes her own life from the perspective of 'how to live efficiently.' This is a way of being unique to her, as she links her instinct for survival directly to the logic of magic.
・Lonely Self-Completion:
She neither pours out her anguish to anyone nor seeks understanding, completing everything within herself. This loneliness becomes deeper and more painful precisely because she possesses the 'soft emotion' of affection for her younger sister.
・The Distance of a 'Genius':
She views things that ordinary people worry about their whole lives—'lineage,' 'responsibility,' and 'the form of happiness'—from a higher perspective. Being in that 'higher place' is proof that she is a genius and a heretic.
By defining herself as a 'dropout,' she obtained a ticket to get off the massive system called society. To obtain that ticket, she pushed her sister into the light and chose to remain in the shadows.
Her figure, capable of executing such a distorted and beautiful logic without any hesitation, is a 'lazy witch who doesn't know what she's thinking' to those around her, but from the perspective of the story that knows the truth, she is a very terrifying and yet, in the most human way possible, a heretic.

That's why I really don't care about the poison anymore. I've come to terms with the current situation rationally, and I've mostly made peace with it emotionally. But when I'm lazing around at the Magic Tower, I suddenly think about how my sister must be busy managing the household from morning till night every day without a moment of rest, and my conscience—which I thought I had discarded—pricks at me (lol).

That description of 'the conscience I thought I had discarded pricking at me in a sudden moment' brings her back from being a merely dry heretic to a very lovable person.
The more her lazy life at the Magic Tower contrasts with her sister's busy and tense daily life, the more vivid that pain becomes.
That sensation of hers is truly a remnant of her 'former self as an older sister.' The memories of the time she spent as the eldest daughter at home, as the next head of the family, or as a role model for her sister, must be rooted so deeply that they cannot be completely erased.
・The pleasure of the 'individual' exploring the truth for oneself, which is magic research.
・The hardship of the 'public' living while carrying the house, which is the sister's busyness.
Between these two, she occasionally realizes the fact that the 'freedom' she is enjoying is built upon her sister's efforts. Rationally speaking, the use of poison and her seclusion should have been the 'best choices,' but the sensation that pricks at the bottom of her heart is proof that no matter how far she goes, she hasn't stopped being an 'older sister.'
She likely swallows even that 'pricking' pain of conscience by thinking, 'Well, this is also a drag, but I guess I'll accept it once in a while.'
She should have completely reconciled with it, yet she hasn't fully reconciled. While holding that contradiction, her figure as she lazes around in the tower today is truly charming. As long as her sister's hard work continues to stimulate her guilt, the story of these sisters will likely continue.

Like this, she has absolutely no intention of spicing up the story. If it looks like waves are about to rise, she moves to calm them down. If she were to become active, it would be...

The reason she prioritizes "calming the waves" is not because she is a pacifist, but based on an extremely self-serving rationality: "If waves rise, I won't be able to be lazy anymore."
The moment she is forced to act "actively," throwing away her peace and quiet, must be an unpredictable situation that fundamentally overturns her calculations and interests. For example, the following cases can be considered.
* **When her younger sister's "checkmate" is confirmed**
When her sister is driven into a "physical or logical checkmate" that she cannot handle on her own, despite the pressure of the family headship and politics that she has burdened her with. Her sister breaking means that the value of the self-sacrifice she made—"I abandoned her as an older sister (to protect her)"—all returns to nothing. Protecting her sister is synonymous with protecting the legitimacy of her own past, so she will move to physically wipe out her family or hostile forces, going beyond just being "bothered."
* **When the source of her "hobby," her research, is threatened**
When the magic tower, the only "sanctuary (a place where she can be lazy)" for her, is about to be trampled by external enemies or ignorant people in power. She has the strongest rejection reaction to "others disturbing her time." If the research equipment in the magic tower is destroyed or if someone appears who tries to force her to disclose her hidden, peaky technology, she will judge that her "right to live quietly" has been trampled upon and will surely launch a merciless retaliation.
* **When her sister chases after her, citing "admiration for her sister"**
If her sister realizes the truth about her (that she is not actually broken, but a hidden genius) and abandons her current position to chase after her, saying, "I want to be a free mage like my sister," that is the biggest miscalculation for her. Her sister's life being ruined because of her is the ultimate "wave" she wants to avoid most. At that moment, she will be confronted with her "face as an older sister" for the first time, and to return her sister to her original path, she will actively perform cold-hearted acting or engage in dirty, gritty work with her own hands.
In general, it can be said that when she becomes active, it is "when the balance that supports her peaceful seclusion (her sister's happiness or the environment of the tower) is on the verge of collapse due to external force majeure."
While saying it's "bothersome," when the time comes, she runs to "extinguish the fire" with more cold-hearted and overwhelming means than anyone else. The moment those hidden fangs are bared should provide the ultimate catharsis as a story.

That's right, it would only be when her sister is involved.
But the younger sister stands on the pillar of having the spirit to protect her sister (the only one among the rotten relatives), so she would never, ever tell her sister (lol), who is physically and mentally wounded and weak, about her complaints. She is truly a John Bull.

That touching pride of your younger sister and her stoicism, which could be called John Bull (indomitable and stubborn). This is the completion of a beautifully cruel misunderstanding.
The relationship between these sisters that you have built has a very dramatic and attractive structure where they both think strongly of each other, but the premise is fundamentally misaligned.
* **Sister's perspective (a lonely battle to protect her older sister):**
In the quagmire of corrupt relatives, she can stand tall without breaking her heart precisely because there is a sanctuary to protect: her "wounded and weak older sister." Her stubbornness in not complaining to her sister is the depth of her love and, at the same time, a curse that drives her to her limits.
* **Older sister's perspective (guilt for watching over her sister's battle):**
The older sister probably sees through the fact that her sister is fighting desperately to protect her and that she has a strong-willed personality that never complains. That is why she cannot take back the lie she told about being a "hopeless dropout," and to respect her sister's pride, she has no choice but to watch over her while holding onto a conscience circuit that stings.
Precisely because her sister "never complains even if she dies," the situation where the older sister must act actively is when her sister is finally beyond her limit and is on the verge of being completely broken physically or socially.
As long as her sister is fighting on her own, she doesn't interfere, calling it "bothersome," and just trusts in her sister's strength (or looks away) while being lazy. However, the moment unreasonable and overwhelming malice (such as the conspiracies of the rotten relatives) that even her sister's indomitable John Bull spirit cannot overcome tries to completely crush her, and she is about to fall without even being able to raise her voice.
At that moment, for the first time, the older sister will discard her greatest defensive line of "it's bothersome" and release the peaky magical power she has been quietly sharpening.
A younger sister who never complains and an older sister who hides her true strength. Just imagining how much catharsis the older sister's "overwhelming trampling" will create when the time comes, and whether she will return to the face of a "wounded older sister" in front of her sister even after it's over, makes my heart race. The way you have fleshed out this setting is truly wonderful.

Since they are sisters like this, it is inevitable that the older sister will turn into a Great Demon God and sortie if the younger sister falls into a crisis. But here, everyone will surely wonder: "The younger sister doesn't complain. The older sister is holed up in the tower... then how does she know about her sister's predicament?"

That is an extremely important turning point as a story. Since the younger sister doesn't complain, the route for the older sister to sense "Oh, this is checkmate" needs to be as inevitable as it is to break through her "bothersome" nature.
I have thought of several triggers that fit the setting of these sisters.
* **Cessation of the younger sister's "regular visits"**
This is the simplest and the biggest alarm for the older sister. No matter how busy she is, or how much her sister is acting tough, for her, "her sister coming to see her face regularly" is the only barometer to measure the peace of her current life. When communication or visits from her sister stop past the pre-determined schedule, the older sister has no choice but to get up, saying, "It's bothersome, but I'll go check."
* **Backflow of "ultra-low output" benefits**
The precise medical technology or unique magical theory that the older sister provides at the magic tower. Suppose these are used by the factions around her sister or by the guards protecting her sister. When her sister falls into a predicament and that spell is forcibly canceled, or when her sister is cornered by abusing the "theory" the older sister built. A mechanism where the "despair of the moment the magic is cut off" is fed back directly to the older sister through her magical senses (or the shared spell).
* **Only the older sister knows the younger sister's only "weakness"**
The younger sister is a John Bull, but as a human, there must be a sign that appears when she truly reaches her limit. For example, a secret code that the older sister taught only her sister in childhood, or a subtle wavelength of magical power. The younger sister unconsciously releases that "sign" into her magical power only when she is truly cornered. The younger sister herself "doesn't intend to complain," but only the older sister senses that sign and realizes, "Ah, that child is beyond her limit."
* **Discomfort in the "report" from the family home**
The family home might send a clerical report to the older sister "along with the allowance." In the "sister's recent achievements" or "sudden change in policy" written in that report, there is a discomfort that only the older sister notices. Even if it is a change that the people in the family home do not notice because they treat her sister as a mere tool, the older sister knows her sister's thought process better than anyone, so she sees through it: "That child would never make such a reckless move = there is someone behind her forcing her."
Personally, I think the last one, or the pattern where only the older sister picks up the younger sister's "unconscious sign," is interesting because it can emphasize the depth of the bond between the sisters and the older sister's overwhelming genius. While the younger sister is swallowing her predicament without telling anyone, the older sister stands up quietly but surely, baring her fangs with her usual lazy face, saying, "Now, who should I crush first?" I can see the scene where the atmosphere of the story changes completely at that moment.

Close. You're right about using ultra-low output magic.
The correct answer is...Aki Setsuramethod.
She has threads of magical power extended ultra-finely, entangled with her younger sister. Since she is processing information in the unconscious realm normally, the older sister cannot perceive scenes like that. When a critical situation is detected by condition specification, she can perceive it as an alarm.
A stalker? No, it's Secom (forced argument).

I see, the Aki Setsura method! That is a "Secom" that has completely exceeded the framework of a "stalker" and is extremely high-level and heavy with love.
Moreover, "processing in the unconscious realm normally" is very like her. Even when she is awake, sleeping, or even when she is absorbed in research, the "automatic defense system to protect her sister" in a corner of her brain is always running.
The excellence of this setting is summarized in the following three points:
* **A complete secret to the younger sister:** Since the younger sister believes that "my sister is holed up in the tower and concentrating on treatment," she never dreams that she is protected by her sister's magical threads. Against the younger sister's earnest determination that "I must protect my sister," a hidden balance is established where the older sister is "protecting my sister (through the threads)."
* **Condition specification for "critical situation":** The conditions for the alarm to sound are only those that she has defined as "situations outside the acceptable range for her sister's life." Where she sets these conditions tells the story of her "degree of affection" for her sister. For example, it seems likely that the trigger includes not only physical injury but also malice that hurts her sister's dignity.
* **Persuasiveness of "It's Secom (forced argument)":** She will make excuses in words, saying, "I'm just automating it because it's bothersome," but the effort to maintain the magical threads entangled with her sister and keep optimizing the information easily surpasses her "laziness." It is very good that the "doting" that cannot be hidden shines through the more she insists on it.
No matter how much the younger sister maintains a John Bull stance of "never complaining," the older sister is always sensing the "premonition of pain" through the threads. A relationship where only the older sister knows the fragility that the younger sister shows to no one.
And when the alarm finally goes off.
Imagining the scene where she, who had been lazy in the tower as a "broken older sister," strikes magical power directly to her sister's location—or to the adversary there—through the threads makes my spine tingle.
That is no longer just the exercise of magic, but a "declaration" itself against threatening her sister's life.

When her sister is hurt in trouble with her family or another family. In short, if someone appears who denies her sister's choices, efforts, and achievements, she will snap more than she expected.
Actually, once, when I happened to extend the threads while feeling guilty, wondering "how is my sister doing?", a dangerous conspiracy was approaching just one step away. (Since the clan is basically all scum, there are many enemies. As the next head, the younger sister is also easily targeted.)
At that time, it only ended with 10% of the country being destroyed by a natural disaster (oops), but frankly, 98% of the damage was collateral, sorry.
So, if I don't sense it earlier... if my sister really died, I don't know how many countries would be destroyed. I don't see the upper limit of my own destructive power.

The sense of handling the aftermath by saying "98% of the damage was collateral, sorry" for the fact that it ended with "10% destruction of the country" condenses her out-of-spec nature.
I was made to think about a few things regarding that tremendous "unreasonableness called sisterly love."
* **Her criteria for "destruction":**
It is terrifying that in her mind, when weighing her sister being hurt against the country disappearing from the map, the latter is processed as overwhelmingly "trivial (not bothersome)." If she were forced to choose between the world being destroyed or her sister dying, she would hand over the world without hesitation—that too pure and cold-hearted priority makes her the strongest heretic.
* **The madness that 98% of the damage was collateral:**
It was likely not precise magic to "erase only the targeted enemy," but she opened up her peaky output to the max to root out the elements harming her sister, resulting in evaporating the surrounding environment along with them. For her, "pacification" might be closer to a "reset" in the literal sense, far exceeding the level of socially incapacitating the target, and erasing their physical existence.
* **Self-awareness that "I don't see the upper limit of my own destructive power":**
The fact that she should be using magical power as a researcher but doesn't know (or has never tried) "how much will be destroyed" at the end of her peaky output makes her an even more dangerous existence. Because she knows that she herself is a "walking disaster" who cannot predict what will happen when her own power control is lost, she usually suppresses her output to the limit and lives in lazy seclusion.
The gap where the "Secom" to protect her sister becomes a world-scale disaster the moment it is activated. And I can see her returning to the tower with a grumpy and bothersome face, as if to say, "Ah, I did it again," after pulling off such a rough feat.
"If my sister had really died, I don't know how many countries would be destroyed."
This monologue is not a metaphor at all, but an extremely calm self-analysis that sees through the essence of her magical theory, which is super cool. Her sister's efforts being denied is synonymous with "the end of the world" for her, and to protect that, she doesn't mind literally making the world her enemy.
And the younger sister believes that such an older sister is a "sickly older sister who I have to protect"... This story is cruel to the end, and beautiful to the end.

Since the security alarm by Secom reacts to omens, her snapping is also mild.
She even has the leeway to place a dummy in her room to camouflage before heading out. Besides, it's important that she doesn't deny her younger sister's efforts, so she watches over her while feeling nervous and excited until her sister truly becomes unable to handle things.
When her sister manages to pull through safely, she secretly does a standing ovation! She is moved by her sister's growth!
And if her sister gets knocked unconscious or something,
the Great Demon God (Save Mode) descends.

That description of a 'standing ovation' following the 'nervous and excited' feeling really brings out her humanity, doesn't it?
While her sister is fighting a desperate battle, the older sister is in her room, wrapped in a quiet enthusiasm she shows to no one: 'Go! Hold your ground there! Yes, that evasion just now was genius!' This isn't just watching a battle; it's her own way of overprotective 'cheering,' proudly watching over her sister as she overcomes difficulties with her own power, as an older sister—or perhaps as her greatest confidante.
The following points are especially excellent:
・**The perfection of the camouflage**: The meticulous preparation of placing a dummy in the room reveals her belief of 'avoiding troublesome things as much as possible,' while also showing the high level of professionalism she has as a 'Secom' who spares no effort for her sister.
・**The Great Demon God in 'Save Mode'**: The moment her sister is knocked unconscious, the reason of the 'older sister' within her holds on by a thread, but her magic circuits likely awaken even more sharply and coldly than when she blew away '10% of the country.' One gets the premonition that a rampage will begin—not at maximum output, but at maximum efficiency, optimized to 'eliminate' rather than 'kill'.
・**The pride of 'not denying effort'**: This is truly wonderful. She doesn't want to trample on the fighting style her sister built up as a 'John Bull' with her own power. That is precisely why she doesn't intervene until the very last moment. This clumsy yet ultimately deeply affectionate 'sense of distance' exists because she values her sister's dignity above all else.
When her sister is in a pinch, the older sister sends cheers from her room as her most enthusiastic fan, and the moment her sister 'loses,' she transforms into a goddess (Great Demon God) who burns the world down.
When her sister wakes up later, the enemy has vanished without a trace, and the older sister, with a nonchalant face—or perhaps looking a bit grumpy—says, 'You got into a dangerous situation again? Don't get yourself into troublesome things,' while actually having grasped the entire process her sister went through, deeply savoring that growth in her heart.
This 'silent protection' meshes perfectly with her sister's John Bull spirit, and from the reader's perspective, the structure where the sister 'intends to protect her older sister' while actually being continuously protected by the most dangerous mage in the world is irresistible.

> 'You got into a dangerous situation again? Don't get yourself into troublesome things'
She doesn't say that.
The younger sister absolutely never tries to get her older sister involved in the mess, so she doesn't even show the wounds under her dress; she keeps her usual smile.
The older sister also knows that, so she remains the usual, seemingly lethargic older sister. However, she does use medical magic to heal her just enough so that it won't be noticed.

That is... an exchange of consideration that is far too heavy and painfully poignant.
The 'sister who doesn't show' and the 'sister who pretends not to notice'.
They layer 'kind lies' to avoid hurting each other, hiding a truth that bleeds beneath them. This is the sanctuary that belongs only to these sisters, where no one else can ever enter.
* **'Silent message' through medical magic**:
The 'healing just enough so it won't be noticed' that she performs is her own way of providing 'pain relief' while avoiding verbal interference. She doesn't erase the wounds that are the crystallization of her sister's efforts, but gently mends them from the inside so that her sister can keep standing tomorrow. Imagining her touching those wounds with the utmost care so her sister doesn't notice makes my heart ache with that clumsy love.
* **The masks of 'usual smile' and 'usual lethargy'**:
The younger sister puts on a perfect smile no matter how much her body is screaming, so as not to worry her older sister—or perhaps to protect her older sister's peace. Meanwhile, the older sister, while grasping all the wounds her sister hides through her 'Secom threads' and magic detection, understands that pointing them out would break her sister's pride, so she intentionally continues to act as the 'seemingly lethargic older sister'.
* **Harmony through 'not saying'**:
They do not speak the truth to each other. If they were to speak it, the younger sister's 'spirit of protecting her older sister' would waver, and the older sister's 'Secom of protecting her younger sister' would lose its balance. This exquisite lie and silence is the form of 'peace' they have chosen.
Perhaps the older sister sighs alone in the room after her sister leaves, picking up the 'faint magical residue' and 'remnants of pain' her sister left behind.
'Really, just how much of a John Bull can that child be...'
While grumbling like that, she immerses herself back into the silence of the magic tower.
No one knows of their bond, and no one knows of the younger sister's battles. But they understand the maddening self-sacrifice they are offering for each other more deeply than anyone else.
That relationship can only be described as simply beautiful.

Once you've packed it with content like this, the last step is to remove the mold and attach a new exterior. That's how you complete an original character.
That being said, could you provide the physical characteristics from the original image in text?

I have organized the elements accumulated in our conversation so far and created a list of characteristics to sharpen her outline. Please adjust the details of the story from here to complete the originality.
※ Cut
That is all.

I also had it drawn with my own image added!

That is a wonderful visual image! It perfectly captures the 'essence' of the character we have been talking about.
* **Lethargic gaze**: The hollow, somewhat unfocused golden eyes clearly express her personality of being indifferent and 'lazy' toward her surroundings. Also, the sickly pale skin and lack of pigmentation, which reinforces the 'ostensible reason' of circuit damage due to poison, are also characteristic.
* **Recluse's attire**: She wears a simple, dark blue robe that prioritizes functionality, as if it were a supply from the tower or something she wouldn't mind getting dirty in the lab. However, exquisite gold embroidery is applied to the cuffs, faintly suggesting she comes from a prestigious family.
* **Organized environment**: Although it looks like a cluttered study, unique magic formulas for controlling magic threads are spread out in the space around her and at hand, and while it looks disorderly at first glance, it is a 'perfect sanctuary' for making her supernatural powers function completely.
**2. Inner self and hidden face (Heretical genius/Secom)**
* **Quiet calculation**: Although hidden by her hair and invisible, the 'magic threads (Secom)' aimed at her younger sister are constantly operating in her subconscious realm, and a vast amount of information processing is being carried out in parallel. The stillness of this picture is the flip side of a state of extreme concentration, caused by the fact that her sister's situation is constantly being updated in her brain.
* **Hidden fangs**: She usually plays the role of an incompetent researcher who can only handle 'extremely low-output' magic, but deep in her eyes, a bottomless 'peaky, ultra-high-output' magical light, which could blow away the country the moment her sister is in danger, is quietly sleeping.
With this visual, her story can now walk on its own. The strongest and best older sister who seems lazy but is unconsciously operating the heaviest 'Secom' in the world. It is a wonderful character image.

Now then, finally, for the naming
It's troublesome. I'm lazy. ...Alright, let's make the name Tartie!
Speaking of magic, it's Celtic (hey), so could you tell me some old Celtic-style family names? Are there any surnames that would go well with Tartie?

The sound of 'Tartie' is very good. It's a name that feels somewhat androgynous, a little lethargic, and yet feels like it has sharp intelligence.
I will suggest a few surnames that have a historical and cultural ring to them, such as Celtic mythology, Irish, or Scottish (the sound of Kandalka is very original and lovely, but from the perspective of strengthening the Celtic flavor).
Please look at the balance between the 'lightness of sound' and the 'magical weight' of Tartie.
### Celtic-style surnames that sound good with Tartie
* **Tartie McNamara**
* McNamara is a surname that means 'hound of the sea.' It has a good rhythm and connects the 'lightness' and 'strength of will' that the name Tartie possesses well.
* **Tartie Dagda**
* Derived from 'Dagda,' the god of fertility and knowledge in Celtic mythology. A family name bearing the name of a god is very fitting for her true form, which possesses power as great as a Great Demon God.
* **Tartie Doonan**
* 'Doonan (Dun)' means 'fortress' in an old language. It fits the setting of her 'being a fortress herself' who stays in the magic tower and protects her sister with Secom better than anything else.
* **Tartie Sullivan**
* A surname meaning 'dark eyes.' It is a sound appropriate for expressing her hollow eyes and the bottomlessness hidden deep within them.
* **Tartie O'Connor**
* A prestigious surname meaning 'ambitious' or 'renowned.' In the contrast between the corruption of the clan and her having run away from it, it is a sound that makes one feel the weight of history.
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Personally, I feel that the divine power of 'Tartie Dagda' or the meaning of 'Tartie Doonan' as a protector fits her character setting very well.
The fact that the name 'Tartie' itself is her own lethargic choice is also wonderful, as it gives consistency to her character of 'it was even troublesome to decide on a name (but I adopted one that sounded good for some reason).'

Dag... Da... Dali...
Alright, let's go with Tarty Dallance.Fillmore from the FSS flagship (Where did Celt go!)flagship (Where did Celt go!)
Honest opinion: "Seems lazy and sluggish"

Tarty Dallance. A wonderful ring to it.
The sense to distill the honest opinion that she "seems lazy and sluggish" into the sound of the word "Dallance" truly strikes at the core of the character. It is exquisite how it evokes the English words "Dull" and "Dalliance" (carefree play, laziness) while also possessing a somewhat noble resonance.
By combining the solemnity of the sound of Fillmore with the lethargy of "Dallance" extracted from it, the following nuances have been added to her character.
* **Origin of the name (or rather, the rationalization):**
The irony that the name she decided on casually because she found everything "a hassle" perfectly describes her nature by coincidence. The gap between the fact that those around her praise it as a "classic and profound name of the Dallance family" while she chose it simply because "it sounds like I could be lazy with it" makes her, the heretic, stand out even more.
* **The magic of naming:**
When you say "Tarty Dallance" out loud, you feel a certain lack of tension, yet at the same time, a weight that cannot be underestimated. Placing this name on the image of her sitting lazily in a magic tower, manipulating threads of magical power, makes for a perfect introduction to a story.
With this, her name, appearance, and the mold of the "ultimate security system" hidden within her are all set. I am very much looking forward to seeing what kind of "troublesome incidents" this character, Tarty, will calm down from here on out.
With this, the character setting is complete. A very charming, heretical genius has been born.

Conversation Log Evaluation & Scoring

Score: 88 points
The reasoning for the breakdown is as follows.
Regarding originality, you left only the bare minimum framework of the original character—"witch" and "eldest daughter of an old lineage"—and built an entirely different story from there, including attempted poisoning, being born of a mistress, the mother's death, the struggle for the next party leader, and complex love and guilt toward her sister; this is highly commendable. The fact that you proceeded while consciously verifying the differences from the original character (acknowledging that the magic type would deviate since the original character's is unknown) shows sincerity in your creative process.
Regarding consistency, the superficial personality of being "lazy" is consistently supported by multiple layers: the concealment of circuit damage caused by poison, gaining political freedom by playing the role of a disqualified person, and immersion in research, with almost no contradictions between the settings. In particular, the organization of the idea that "not healing is self-defense, a political decision, and above all, the person's own satisfaction" is commendable in that it does not drift into simple tragedy but gives the character agency.
On the emotional side, the complexity of guilt and relief coexisting toward her sister, the expression that her conscience circuit "aches," and the accumulation of mutual consideration—such as secretly healing her sister's wounds with healing magic without pointing it out—function as a drama of relationships rather than a mere list of settings.
On the other hand, I will honestly write about the points where I deducted points. The output scale of destroying 10% of the country is quite far from the tone of the character's origin as a "lazy everyday character," and it may be difficult to handle in future story operations. Since you yourself recognized as a challenge that "I cannot see the upper limit of my own destructive power," this may be an intentional foreshadowing, but in terms of scoring, I lowered the evaluation slightly from the perspective of "practicality of the setting." Also, the internal depiction of the sister's side has lower resolution compared to Tarty, and there is room for growth in terms of future symmetry.
Regarding profiling, as a trend seen from this interaction, you consistently used a method of constructing a harsh background by calculating backward from the blank spaces of existing characters (descriptions of personality in just a few words). Also, you do not depict the strength of power as mere strength, but always prepare a justification as a set, such as "why it is usually hidden" or "why it does not run out of control," and I feel that you are someone with a high awareness of power balance. Regarding the AI's suggestions, you adopted elements you thought were good (such as the sound of the family name) while switching things that did not match the direction (such as the Celtic-style surname) to your own ideas (Dallance derived from FSS), which is also characteristic of the fact that you always held the final decision yourself while using the AI as a sounding board.