When a woman is reborn into an otome video game as the villainess, how can she play to win? At the age of eight, Katarina, a girl of noble birth in another world, has an accident that unlocks her memories-of playing an otome game that's exactly like the life she's living now. There's one problem: she realizes that she's playing the role of the villainess, and only bad endings await her! What will it take for her to 'break the game' and live a happy life?