Hagure Gakuen - Gōjasu jokyōshi ga tanninda! 2007

Directed by Wataru Oku

Yuuka is a new female teacher who becomes the homeroom teacher of the so-called "Outcast Class," a group of underachievers. One day, a fight among the students escalates into trouble involving the yakuza. Yuuka tries to protect her students with her own body, but...