He Wrote a "Love Letter to Grandma" During His Lifetime! Explode After Death?

Advanced Sadomasochism, Thoughtful and Logical

I want to read a book similar to "Gong Qian Liu". It's not a life-and-death situation where one of the male and female protagonists has to die. It can be separated by the hatred of family and country, the grievances of the family, and the distinction between good and evil. Logical and consistent with normal people's thinking