In the year 2002, the formerly powerful Japanese men's gymnastics team member Jotaro Aragaki is no longer able to compete. Even though he trained strenuously daily, he is asked about retiring by his coach Amakusa. However, a certain encounter alters Aragaki's fate.

The final summer of middle school, Shotaro Futaba discovers boys gymnastics and is completely enamored by it. Shotaro ends up going to Soshukan Private High School (aka Ao High) and decides to visit the boys gymnastics club. He's greeted by very unique senpais and a star gymnast named Misato Ryoya. Dedicating your life to something you love during your fiery days of youth... Of course, there is frustration, and fights, but see how these boys work together as a team towards a similar goal in this drama about sports and youth.