A serious female teacher "Hana Haruna" who has been newly assigned to a boys' school. She had a painful past that was circled by multiple students. When I got used to school, cruel games using a certain site became popular in the school. The targeted Haruna is attacked by a group of male students who have turned into devils, and becomes a prey to all kinds of overkill ● acts such as sucking milk, strong ● Deep Throating, rep shooting, radical wheel ●….