Reiko is a female teacher at a private boys' school. On the surface, she behaves well, but in reality, she has a lot of gambling debt and pays it off by selling grades to parents. However, her coworker Motoyama, who has been eyeing Reiko's glamorous body for some time, finds out and rapes her. Furthermore, the scene is witnessed by her student Shimizu... Reiko is helplessly played with by the men as the situation worsens. However, as if to mock her, further tragedies befall her.