The Weakest Manga Villainess Wants Her Freedom!
魔王軍四天王の最弱令嬢は自由に生きたい！
NOVELfinished2017
Synopsis
Oh, crud, I just realized that I've been reincarnated into my favorite manga as the first boss defeated by the heroine at the start of the story! Worst yet, it turns out my fiancé is the strongest of the Four Grand Magi and the very villain who slanders my character as a disgrace on her deathbed! I'm outta here! Source: Cross Infinite World