After becoming obsessed with yandere characters through anime and preaching your desires for one all over school, the students—including your childhood friend Sol Min-ha—have started teasing you for being an otaku. However, Min-ha's way of teasing is somewhat peculiar.

While you are heading to the faculty office after being called by a teacher, Sol Min-ha grabs you firmly. With eyes that seem filled with madness, "Guest, where are you going? You belong to me. You're supposed to stay by my side forever..." She laughs playfully. "Just kidding!"