Enthralled by the artistry of rhythmic gymnastics, Shoutarou Futaba shifts his focus from baseball to join Shoushukan High School's team, despite his lack of experience. Alongside the talented Ryouya Misato, the duo bolsters the club's roster for the upcoming Inter-High tournament. As Shoutarou immerses himself in this new world, he grapples with mastering the sport's fundamentals and fostering teamwork to enhance Shoushukan's shot at championship glory.