Chizuru is a student and member of the fitness club of a woman's university who likes to work up a sweat. After training, she goes to the change room to pick up something she forgot, and... what does she find? The club instructor Mitsuhiko going at it hard with her senior Akane. Seeing Mitsuhiko's unrivalled schlong drill and mercilessly shoot into Akane turns Chizuru on...