Haikyou Gakuen ~Ayatsurareta Shinkou~

There is a boarding high school in the backwoods. Keisuke is a teacher of Psychology, and liked by every student because of his warm-heartness. But he has another aspect that he gives some teachers and students sexual training and make them his sex slave. One day, he starts to take an action..., by his signal, male students and teachers start to rape female students and teachers....