A collaboration between two of Obasan Label's exclusive actresses has been completed! Eiko and Chiaki are members of a certain women's volleyball team. One day after practice, the two were discussing a plan while taking a bath. The plan was to sneak into the "training camp" of the university team, which is mainly coached by Ishibashi, the coach of the women's volleyball team. And on the day of the training camp... Eiko and Chiaki successfully infiltrate, and instead of practicing, they start to inspect the dicks of the young members...