The new teacher Jun one day visited the home of a student, Hiroshi, from his class who was refusing to go to school. The school had given up on Hiroshi after he caused trouble within the campus, but Jun pushed back against his colleagues' objections and went ahead with the home visit. However, as soon as Hiroshi welcomed Jun in, he made him drink tea laced with his homemade knockout drug and pinned him down. Worse still, during the act, Hiroshi's father Koji and his henchman Kai appeared and took turns ravaging Jun…
