Currently being serialized as a manga on Pixiv Comic! A novel version was published by Kasukabe Shuppan on December 16, 2022! Mina, who retains memories of her past life as a Japanese person, discovers during the enrollment ceremony at a magic academy that she is in the world of a popular otome game's spin-off novel. Five years after the game's end, in a world overrun by monsters, she learns that she is the fiancée of the second prince, a hero, and is destined to be the villainess who tries to tear apart the hero and the heroine, ultimately being reduced to a commoner. However, due to certain circumstances, Mina had already become a commoner eight years ago. Despite this, she has been diligently studying to become a magician, independent of the novel's plot.