During junior high, Ryou Mizushima and his friends casually join the badminton club, sparking Ryou's passion for the sport. Motivated by his newfound love, Ryou dedicates himself to honing his badminton skills, ultimately earning a spot in the prefectural tournament. Initially content with the idea of attending a local high school for leisurely play due to the lack of a mentor, Ryou's mindset shifts when scouted by Yokohama Minato High School's renowned badminton coach. Intrigued by the school's exceptional team led by his idol Kento Yusa, Ryou, with his sister's encouragement, decides to embrace this unexpected opportunity. Determined to surpass Yusa and fueled by his unwavering ambition, Ryou eagerly embarks on a journey of growth under the guidance of a skilled coach.