New teacher Kasumi visits the home of student Gakuen, who has been skipping school. Gakuen, who had caused trouble at school in the past, was abandoned by the school, but Kasumi pushed through the opposition of her fellow teachers to make the home visit. However, as soon as Gakuen welcomes Kasumi, he drugs her with tea laced with a sedative and knocks her out. During the act, Gakuen's Yakuza father, Jou, and his gang members arrive, and the three of them take turns assaulting Kasumi...
