Koji runs a second-hand bookstore. He likes female drummer Ikka, but, suddenly, female high school student Misaki appears in front of him and keeps confessing her feelings for him.

Tada (Seto Koji), the owner of a used bookstore, is surprised when a high school girl, Misaki (Kawai Yumi), asks him to marry her, but he cannot forget his old part-time colleague Ikka (Sato Honami). Meanwhile, Ikka, who is about to get married, finds out that her fiance Ryosuke (Nakajima Ayumu) is having an affair.—Canon y mus