How Heavy Are the Dumbbells You Lift?

Synopsis

In a meal with her best friend, Ayaka Uehara, high schooler Hibiki Sakura is playfully mocked for gaining weight. Despite her failed attempts at exercising alone, Hibiki joins the recently established Silverman Gym. There, she encounters Akemi Souryuuin, the school's beloved idol and student council president. Hibiki learns that the gym attracts top-tier bodybuilders, and Akemi is revealed to be a fervent enthusiast of muscle building. Though initially deterred, Hibiki is persuaded by the trainer, Naruzou Machio, to stay and become a member. This spontaneous choice sets her on a challenging path towards her fitness goals.