The story revolves around Hibiki Sakura, an ordinary high school girl who can't live without delicious food. Her close friend Ayaka Uehara tells Hibiki one day that she has gained weight. Determined to lose weight, Hibiki decides to abstain from eating... but with her appetite, it's not easy. So Sakura decides to start exercising. At the fitness club, she encounters the student council president, Akemi Soryuin, who is also into sports. It turns out that this quiet girl is hiding a secret from everyone...