It's the start of a new school year. The new homeroom teacher for Abikura-kun, a second-year high school boy, is Hiyori Uwamura, who is known as a "Scary Teacher", rumored to curse you if she gets offended...

A man in the middle of a mental breakdown caused by overwork becomes the chosen target of a young succubus. In his exhausted state, he can't provide the "food" she needs, so she takes it upon herself to treat...