After Komichi completes the fifty-meter dash with the fastest time in her class, several athletic clubs try to recruit her, but Komichi can't decide which club she wants to join because there are too many things she wants to try. Following a random turn of events, she exhanges contact information with Kei Tanigawa, the brightest girl in the class, who is also having trouble deciding which club to join. Komichi still hasn't reached a decision when Tomono, who has decided to join the literature club, offers to visit all the different clubs with her. At last, Komichi makes up her mind...

Summer has come, marked by the switch to summer uniforms. Practices for the athletic festival have begun, and in addition to her other events, Komichi is in charge of the cheer squad. She says she volunteered for the position because it would give her the chance to watch everyone practice. Komichi has no idea what cheering entails, but after getting some advice from a classmate, she begins to look the part. Meanwhile, Erika and Shijou Riona work hard at tennis practice. Riona is a member of the tennis club, but she can't move as well as she'd like to. Then, when Komichi shows up to cheer them on...