The tennis club holds a secret tradition where the top three ranking male members are rewarded with sexual services from girls of their choice. While Hogura-senpai and Asahina indulge in their desires with their partners, Kawakita is surprised to be selected by the reserved Momoka Nakayama. As the three couples engage in simultaneous intimate acts, Momoka reveals a hidden bold side and confesses her love for Kawakita during their first time together.