During a school excursion, Takumi Kaizu’s friend asks, “Is there any girl you love?” The question makes Takumi aware of his interest in the opposite sex. Although girls have always been around him, his childhood friend Konami Hatano, classmate Shino Ebizuka, and popular school idol Kakana Shimazu, he never noticed his own feelings until that moment. Seeing his friend pursue a girlfriend makes him anxious, and he resolves to find a girlfriend of his own during his last summer of high school.