Saki watches over the male members swimming from the poolside, and is a 32-year-old married woman who works as a swimming instructor at a sports club in Tokyo. Yoshino, a man who looks at her from an erotic point of view, was a swimsuit maniac who aimed at prey swimming girls while moving from swimming class to swimming class. Yoshino, who has his eyes on Saki, deliberately hits the car that Saki is driving and threatens her with the story of a personal accident. And Saki is made to wear a highly revealing metamorphosis design swimsuit in daily class. "Ah, it's the best body even from my point of view as a maniac" A married woman who is surrounded by men who are members of a sports club and are ×