(Urgent!) Take me into the Kindle swamp

I am Nipponia, the writer of this note.

I currently read 50 books a month on Kindle Unlimited.
I add interesting-looking books to my favorites to read next, but
surprisingly, Kindle Unlimited titles rotate.
When I decide to read them, they are no longer available.

You might be thinking, just pay for them and read them.
No, no, I am a man who lives on 50 yen a day!
I cannot afford to spend money on reading.
(This is getting a bit far from life hacks.)

Anyway, I am always craving books to read.

Well, just search for them, right?
But even if I search, I still have to choose them in the end, don't I?
I have no idea if they will be interesting.

In that case!
I have an idea.

Everyone, please,
tell me your recommended Kindle Unlimited books.
Please write the titles of books you enjoyed in the comments of this article.
I would be very happy if you included the reason for your recommendation, but if that is too much trouble, just the title is fine.
If it is on Kindle Unlimited, I will definitely read any book!
Self-published works, niche perspectives, standard titles,
your book, that person's book, I will read them all.
After all, I read 50 books a month; I can surely read every book you recommend.
(However, I will not read anything that seems inappropriate.)

Hey, please, tell me something.
I will read them and post my thoughts on Bookmeter.
I might be harsh in my reviews even if you recommended them, but please forgive me.
Including your recommendations, I will select the top 3 books of the week and the top 3 of the month.
I am waiting for the experts.

Ah, I want to be thrilled and excited until I die.

(Note: I will state this just in case, there is no reward whatsoever.)