Diabolus Kikoku - Episode 1

The story tells how Madoka Komaki is transferred back to school. Her friend Sayaka also returns. Entering one of the classrooms, Madoka finds a man molesting a female student. It was a spirit, taking the human attractive form of her friend Yuki Asahina, whose aim was to sexually assault the high school girls. Madoka and Sayaka realize they need to protect the girls, and the only way to exorcise the spirit is to satisfy its needs.