Kare wa Diablo!

A high school student named Yamada Meiko, who has had a crush for three years, tries to use black magic to make him fall in love with her. Instead, she summons Lucifer, the devil, who appears the next day at her school as her homeroom teacher. Mistaking him for an angel due to his white wings, she asks him to grant her a wish. She is unaware that her request will come with significant consequences.