Hagure Gakuen - Erokawa joseito ga yatte kita!

Original title: はぐれ学園 エロカワ女生徒がやってきた！

Directed by Wataru Oku

Miku, a beautiful girl from the academically gifted A-class, transfers to the so-called "Outcast Class," a group of underachievers. The outcasts are excited, but in reality, she's being used as a sex toy by a certain teacher…