A "secret summer" sharing one man. They love each other but promise never to run away from each other. But they both want to monopolize each other's company. It's a relationship that would never be possible in the normal course of events, The sweet, rich, and lewd love battle between two women, who seek one man with each other's consent.

They love each other but promise never to run away from each other. But they both want to possess each other's love, and they both want to be in love with each other. The sweet, rich, and lewd love battle between the two women is about to come to an end. Toward the end of summer... parting, the sounds of their love never cease to be heard...