Anzu, who was appointed as the advisor of the swimming club because she was in the swimming club during her student days. She was eager to guide the all-male swimming club with all her might, but the male students' eyes were glued to her too-big breasts. Even a weak chibikko, if they gather together, men are strong... her swimsuit is stripped off, her breasts are exposed, and she is gang-raped and cummed on!