In the competitive world of Eimei Academy's sports program, Taiki Inomata, a third-year junior high student, aspires to excel in badminton. Despite his dedication to early practice sessions, he always finds himself second to Chinatsu Kano, a talented first-year senior high student and his romantic interest dominating the basketball court. Taiki's admiration for Chinatsu is shadowed by their contrasting popularity levels. However, fate intervenes as Chinatsu unexpectedly becomes Taiki's housemate. Determined to bridge the gap and match Chinatsu's skills, Taiki commits to training relentlessly for a shot at Nationals, aiming not just for victory in badminton but also to deepen the bond with his newfound companion.