Martial King's Retired Life - Chapter 38Book 15:

Receiving the terrible news of never again wielding the bow has him spiralling down depression lane.However, things took a turn for the better when he opened up to see he had been transmigrated to a world of his favourite novel, as a character bedridden in a coma for five years.Aldrich Aldaman is an extra who met his end after being in a coma for five years.

It’s a story about a man who got transported into a novel and possessed a slum boy. He met a noble girl and served her as a butler for 13 Years. Now the girl has already fallen from her noble life and lives in an abandoned mansion with paralyzed legs. Why did she become like that? Of course because she is the villainess in the novel.

You might not believe it when I say this, but not all top students are the same!-------------------------------No system, high intelligence, character-driven slice-of-life book!

The story is centred around a cute android who initially had a happy life with her master who dearly loved her. But she was then struck by a series of misfortunes and ended up in a robot-equivalent of concentration camp. Through experiencing and witnessing the sufferings towards herself as well as the people/robots around her, she eventually gained a better appreciation of life.