A new teacher named Kasumi visits troubled student Kazu at his home after he skips school. Kazu had previously caused problems within the school but was left alone by administrators due to opposition from fellow teachers. As soon as Kasumi arrives, Kazu treats her to a seductive tea laced with drugs that leave her helpless. In the midst of their encounter, Kazu's yakuza father, Jou, and his henchmen appear, taking turns violating Kasumi while she struggles against them...