Saeki, who watches male members swimming from the poolside, is a 32-year-old married woman working as a swimming instructor at an indoor sports club in Tokyo. A man named Yoshino stares at her with lustful eyes; he is a swimsuit enthusiast who moves from one swimming class to another, preying on competitive female swimmers. Yoshino sets his sights on Saeki and deliberately causes a car accident involving her vehicle, using the incident to blackmail her. As a result, Saeki is forced to wear high-cut, perverted design competition swimsuits during her daily classes… 'Ahh, even as a fanatic, I must say she has the best body.' The married woman is surrounded by male club members and subjected to a gang●rape×
