A girl who is proud of her participation in the summer camp of her track club is cuckolded by the members of the club. The coach and the male members of the club have turned into just perverted lecherous men in the group life of the camp. They use their absolute hierarchical relationship to harass and sexually harass Miyu, and play with her athletic muscular body. Her boyfriend, who is in the throes of unhappiness when he gets a bad joke and gets a NTR video of her feeling fucked by a dick, is delivered to him in the nude...