There is a secret event in the tennis club that Kawakita belongs to.In order to improve the level of the men's tennis club, if you are among the top three players in the mini-game, the boys will be able to nominate a girl they like and give them naughty services. It's an internal event that you can accept. Kawakita, who was in the top three, was so desperate to win that he forgot to choose his partner. However, he is told by a member of the female tennis club that he has been nominated. Kawakita is surprised to hear his name. His partner was Momoka Nakayama, who seemed serious and innocent. While the other top three male students were enjoying their own naughty play, Kawakita and Momoka