To Be the Best - Villainess

The main character, Meliarose, is literally asked within the story to act as a villainess in order to support the love between the prince and the heroine. And boy oh boy, does she go for it.

Bertia (Tia) is quite up front with her fiance, Cecil, that she plays the role of villainess in their story. Well, she tries anyway.

At her entrance ceremony, Mary remembers her previous life and realizes that she is the villainess in an otome game. Obviously, the only thing to do in this situation is play her role to the fullest!

The title really does say it all.

Illegitimate Princess Cecil is sent to marry the tyrant Emperor Estian against her will, so she decides to act like a total villainess in the hopes that the emperor will wipe her country off the map. Things are actually working out pretty well for her, though.

A series of one shots starring villainesses. Relevant chapters are: Vol. 1 ch. 3 ; Vol. 4 ch. 6 ; [Vol. 7] ch. 1

Xiao Yixin is literally in hell being punished for being a bad person, and she would still rather be a villain.

Cardinal is reincarnated into the villainess of an otome game, and decides to live it up as a villainess since she doesn't actually know the plot.

Kardinal doesn't know the storyline of the game she was reincarnated into, so she decides to simply roll with the punches and embrace her role as a villainess. You know, if she can figure out what a villainess does.

Reiko's new classmate hit her head and is now convinced that she is the heroine of an otome game and that Reiko is the villainess! The too-kind Reiko decides to act as the villainess if it will help her classmate recover.