Lienko, a female teacher at a private boys' school, appears to be upright and proper on the surface. In reality, she has amassed a large gambling debt and has been selling student grades to parents to pay it off. However, her colleague Hiyama, who had been eyeing her voluptuous body, finds out and forcibly rapes her. To make matters worse, this scene is witnessed by her student Shimizu… As the situation worsens, Lienko is helplessly toyed with by men. But then, an even greater tragedy befalls her.
