After a life-changing encounter with men's rhythm gymnastics, Shotaro Futaba joins the team at Soshukan High School. There he meets a collection of colorful characters, including Ryoya Misato, a fellow first-year and middle school gymnastics star.

A training camp is scheduled between Ao High and rival school Shiro High. Hoping to catch up with the others, Shotaro goes to train in the park, where he encounters a mysterious boy.

It's time for the prefectural tournament! Shotaro is doing his best to prepare for what will be his first official competition, but he nevertheless struggles with fear and nerves about the upcoming event.

The boys are supposed to take the day before the tournament to rest, but they find they can't sit still. The only solution: cleaning the dorm!

With the pain in his arm growing worse, Shotaro is sent to the hospital just before the tournament. Meanwhile, the tension builds between the athletes of Ao High and Shiro High...

Shotaro returns to the hospital after their team's performance, with all of their futures left in the air. Will their team reach the Inter-High? And... will Shotaro ever perform again?