After discovering the world of boy's rhythmic gymnastics in his final year of junior high, Shotaro Futaba develops a deep interest in the sport. Upon enrolling at Soshokuan Private High School, also known as Ao High, he joins the boy's rhythmic gymnastics club. Here, he encounters a group of eccentric senior members and the team's star performer, Ryoya Misato. Despite their individual interests, the club members unite under a common objective. As they gear up for the inter-high competition, their shared dream propels them towards the next chapter of their thrilling journey.