It's a bit sadistic, but not too much. This article is mostly in a brisk style, and the pace may be a little slow. There are long memories, mostly in ancient times, and a modern plot.
It's not about the past life or this life. In the late modern era, it will develop into white and black, and your character will be damaged by the attack in your memories.
Intention: Friendship, love, family affection, redemption