uber twisted.
MC betrayed and becomes crazy.
MC betrayed and restarts his life to exact revenge.
Heroine also betrayed and MC saves her and and she joins in his revenge.
MC is suddenly forced into a torture game.
Mc isn't a psychopath but he sometimes gets a little crazy.
YAOI AND NECROPHILIA WARNING.
Mc is a zombie
Revenge story
Kills criminals brutally torturing them.
Self obsessive Narcissist MC.
Murders for experience gain
Bully revenge story
Main character a Murderer
The Hero Who Seeks Revenge Shall Exterminate With Darkness