No system! Hot-blooded + evil-minded + do it if you don't accept it! Suitable for readers who like fisting to the flesh!
The life of a small person has been suppressed and turned into a dark plot!
The protagonist's father was killed by righteous people and traitors. In order to show generosity, the enemy adopted the protagonist, but in the process they suppressed the protagonist at every turn! With the approval of the master, his fellow sect members also bullied the protagonist in every possible way. As a result, the protagonist's personality darkened, and everyone in the sect was plotted and eliminated.