Professional baseball player Yoshio, who was suspended by his team due to a scandal involving outdoor sex with a cabaret hostess, returns to his rural hometown to avoid attention and meets Miki. Yoshio, heartbroken, is captivated by Miki's I-cup breasts, while Miki is intensely curious about the athlete's libido. It doesn't take long for the two to grow close. In this boring countryside, they sway their bouncy breasts and indulge in sweaty summer sex. Over and over again, until summer ends...
