It's the start of a new school year. The new homeroom teacher for Abikura-kun, a second-year high school boy, is Hiyori Hiwamura, who is known as "Scary Scary–sensei," rumored to curse you if she gets offended! One day after school, Abikura-kun witnessed the other side of Scary Scary–sensei… and he is shocked by the gap between reputation and reality!