Dumbbell Nan Kilo Moteru?

Hibiki is a high school girl with an undeniable passion for food. However, her carefree eating habits eventually catch up with her when she realizes her waistline has noticeably expanded. Determined to shed the extra weight and get back in shape, she decides to investigate her local gym, hoping to find a welcoming environment where she can quietly work on her fitness goals. Upon arriving, Hibiki discovers that the facility is overwhelmingly populated by heavily muscled men, making her feel entirely out of place. To her surprise, she also encounters Akemi, her own school's student council president, who happens to be a regular at the gym. Enthusiastic about fitness, Akemi immediately attempts to recruit Hibiki into the world of weight training. Overwhelmed by the intense atmosphere and the daunting prospect of lifting heavy weights, Hibiki initially refuses to participate. Her reluctance quickly vanishes, however, when she crosses paths with Machio, an exceptionally handsome personal trainer working at the facility. Captivated by his charm and good looks, Hibiki experiences a sudden change of heart. Fueled by her newfound infatuation, she resolves to push through her hesitation and commits to doing whatever it takes to transform her physique and embrace a healthier lifestyle.