Catarina Claes, a young noble girl, one day bangs her head and recalls lost memories from her past life, in which she was an otaku who had been killed in a traffic accident after staying up all night to play an otome game known as Fortune Lover. After inadvertently entering an engagement with the young prince Geordo Stuart, Catarina realizes that she is in the world of Fortune Lover itself, reincarnated as the villainess who is doomed to either exile or death regardless of the routes the player take in the original game