How Heavy Are the Dumbbells You Lift?

Hibiki Sakura, an ordinary high school girl, grapples with a growing concern - her increasing appetite is leading to a tightening wardrobe due to weight gain. Determined to address this issue before it spirals further, she decides to join the local gym in hopes of achieving a healthier lifestyle.Upon entering the gym, Hibiki crosses paths with Souryuuin Akemi, a classmate who has an unusual interest in muscular physiques. Despite the seemingly high concentration of macho men at the facility, Akemi encourages Hibiki to embrace this new challenge and work towards transforming her body.Luckily for Hibiki, she encounters Machio, an exceptionally attractive trainer who, unbeknownst to him, persuades her to sign up and embark on a journey towards fitness and self-improvement. Along the way, Hibiki learns valuable lessons about discipline, perseverance, and self-acceptance, while navigating the unique dynamics of the gym environment and forging new friendships.