Since the graduation of the senior members of the club, Takezou ends up being the sole member of the "Koto" (traditional Japanese string instrument) club. Now that the new school year has begun, Takezou will have to seek out new members into the club, or the club will become terminated. Out of nowhere, a new member barges into the near-abandoned club room, demanding to join the club. How will Takezou be able to keep his club alive and deal with this rascal of a new member?

Ayano Hanesaki, a first-year student at Kanagawa Prefectural Kitakomachi High School, has a badminton ability able to surpass others effortlessly yet avoids playing the sport. She meets Nagisa Aragaki, a third-year student who practices day and night aiming to become the best player in Japan. Encouraged by coach Tachibana Kentarou, supported by club colleagues, and fired up by various rivals, the two engage in their youth and adored sport so thrilling like a shuttle flown at high speed!