“I, Tomoya Fujiwara, am dating my childhood friend, Ayumu Takato.　” Tomoya and Ayumu have been childhood friends since they were little. They started dating when Ayumu confessed her feelings to Tomoya, but three months later, their relationship has not progressed. Today is the annual summer festival. When she arrives at the meeting place, she is a little more mature than usual… This is the story of two childhood friends who have just started dating and are about to have s*x for the first time.