"Let's see who can make each other cum first!"

Aoharu Hidekura is a third-year high school student and captain of the swimming club. He was having a hard time choosing the members for the medley.

One day, a new transfer student came to the school. It was his childhood friend and genius swimmer, Amakawa Keitaro.

Aoharu immediately asks Amakawa to join the club, but he flatly refuses.

Youth is something that you just can't give up. He challenges Amakawa to a challenge with "certain conditions" --!?

[Unstoppable childhood friend x tsundere amorous virgin]

Two muscular high school students. A super high-energy youth romantic comedy!!!