プールサイドから泳いでいる会員の男たちを見守る咲、都内のスポーツクラブでスイミングインストラクターを務める32歳の人妻女性である。そんな彼女をエロ目線で見つめる一人の男、吉野はスイミング教室を転々としながら獲物の競泳女子を狙う水着マニアだった。咲に目を付けた吉野は咲が運転する車にわざと当たり屋を行い、人身事故をネタに彼女を脅迫する。そして咲は毎日の授業で露出度の高い変態デザイン競泳水着を着させられて…。「あぁぁ、マニアの僕から見ても最高のカラダですよ」スポーツクラブの会員男性に囲まれて輪●レ×プされる人妻
Saki, a 32-year-old married woman who works as a swimming instructor at a sports club in Tokyo, watches the male members swimming from the poolside. Yoshino, a man who looks at her from an erotic point of view, is a swimsuit enthusiast who moves from one swimming class to another, targeting female swimmers as his prey. Yoshino, who has his eyes on his girlfriend Saki, deliberately hits the car she drives and blackmails her using the story of her personal injury accident. And Saki is made to wear a highly revealing perverted swimsuit in class every day… “Ah, even for me, a maniac, she has the best body.” A married woman is surrounded by male members of a sports club and raped.