The story follows three members of the judo club. Niji Yamashiro is the female vice-president, Gaku is the president, and his friend Hiyori is a member. One day Hiyori asks Gaku, "Do you like Niji?," and Gaku promptly says he doesn't. Hiyori then responds, "OK then, is it OK if I confess to her?" Hiyori tells Gaku, "I'm going to confess to her. If...