It Turns Out You Are a Bad Person Too

Are There Male and Female Protagonists Who Are Both Villains, and They Are Both Evil and Evil? I Haven't Enjoyed Watching Either One.

Want to watch something like "Sister, I'm good!" The book "Yandere Villain, Mute and Coaxing". The male and female protagonists are monster-like existences in the eyes of others, but the female protagonist is the god of the male protagonist, and the female protagonist gives all her preference to the male protagonist. When he does something bad, she ends it with a knife. He knows she is fake