New teacher Karen one day visited the home of a student named Hiroshi in her class who was refusing to attend school. The school had given up on Hiroshi after he caused trouble, but despite opposition from her colleagues, Karen insisted on making a home visit. However, as soon as Hiroshi let Karen in, he made her drink tea laced with sleeping pills and pinned her down. In the midst of his actions, Hiroshi's father Koji and his friend Suzuki appeared, and the three of them took turns violating Karen…
