Uzaki Byaku and Takaba Tadanao are childhood friends. They were good friends when they were little, but now they are at each other's throats. One day, when they always fight whenever they meet, Byaku discovers a weakness in Tadanao and tries to take the lead by using it as an excuse, but before he knows it, he is pushed down, his pants are taken off, and he is even playing with his butt... and it feels so good that he screams!?

A sincere and naughty first love story between a seemingly serious, scheming high schooler and a naughty high schooler who is not good at sex.