MIDA-559: Reina-senpai, who is devoted to swimming and has no masculine qualities, has become an ace recognized by everyone with her stoic approach to practice. Many club members, myself included, admired her for her supple body and cool beauty. However, due to his serious personality, he is attracted to the members of the positive club, and one day, he becomes the target of their circle. In the classroom, in the pool... They are held down and r**ed by these strong men, and their uniforms and school swimsuits are stained with semen. When I see Rena-senpai falling down after being fo**ed to have sex every day, all I can do is get depressed....