"Why did this happen...?" His proud girlfriend, who attended the track and field club's summer training camp, is seduced by the perverted members. The coach and the male members of the club have become perverted lewd men in the collective life of the training camp. They abuse Miyu's hierarchical relationship to sexually harass her and toy with her athletic muscular body. Her boyfriend is thrown into the depths of despair when a video of his girlfriend getting fucked is broadcast live.