Stories whereby the female protagonists are either reincarnated or transmigrated into otome games, either as the heroine, villainess, or a supposedly side character.

My Next Life as a Villainess: All Routes Lead to Doom!
Catarina Claes, the young daughter of a noble family, one day bumps her head and regains memories of her past life as a 17-year-old otaku girl. It is then that she realizes she has been reborn into the world of the otome game Fortune Lover as the game’s villainess who, regardless of what route the player took in the original game, is doomed to be either exiled or killed. To avoid these routes that lead to doom, Catarina begins taking countermeasures. This, however, ends up having unexpected consequences on her relations with the other characters of the game’s world.

Cross-Dressing Villainess Cecilia Sylvie
Reincarnated as a villainess in an otome game, Cecilia realizes that as the heroine’s rival, she’ll die no matter what route she takes. Convinced that she can avoid her death flag by masquerading as a man, she crossdresses and assumes a new identity. In the process, however, she ends up replacing her brother-in-law as the knight charged with protecting the heroine! And now the prince who should be condemning her to death wants to hang around her all the time…?! Cecilia will do whatever it takes to achieve a peaceful and carefree life, but if her guise ever slips it’s Game Over!

Accomplishments of the Duke’s Daughter
Iris Almeria, the daughter of a powerful duke, is arrested and forced to her knees in front of her fiancée. Her betrothed, Prince Edward, is rejecting her for another woman! As Iris’s life flashes before her eyes, she suddenly realizes she knows exactly what is coming next–because she has been reincarnated into her favorite otome game as its villainess. Quick thinking saves her from exile, but Iris can’t rest yet. If she wants to survive this world that sees her as wicked, she’ll have to change the world itself.