Yandere Otome Game

As a precocious child, Lycoris suffers from a strange sense of déjà vu. On the day her father told her about her fiancé, she realizes that her fiancé was actually a character from an otome game she once played in a previous life. I am the heroines rival from that game? And in the bad ending, I get stabbed to death? What a joke. A story in which the protagonist is determined to avoid a yandere situation.