Stories where the villain(ess) have to act like a baddie? Whether they're forced to by fate, are playing some 4D martyr chess game or heck, maybe they really are a bad angy boy/girl, all scenarios are accepted!
The princess wants to die comfortablyNot only does it fit your description, it's one of the best villainess manhwas I ever read!
https://www.mangago.zone/read-manga/the_one_within_the_villainess/
Stories where the villain(ess) have to act like a baddie? Whether they're forced to by fate, are playing some 4D martyr chess game or heck, maybe they really are a bad angy boy/girl, all scenarios are accepted!