In an otome game I'm a villainess!? I can't accept this!

Mariko Kanzaki, a single office lady in her thirties, apparently got reincarnated in the world of her favorite maiden game as Cecilia, a villain (a death confirmed character)!! Only the death penalty awaits her at this rate...! In order to change her destiny, she planned to break off her engagement with Prince Kaiser...

Unfortunately, I'm an Evil Villainess

I was Lady Valentina Avington, the beautiful, wicked, and narcissistic villainess of a novel. When I recalled memories of my past life, I decided I wanted everything the heroine had. Using my knowledge of the future, I became a fake saint, the successor to my house, the future queen, and won over the male leads. When...