Hibiki is a high school student who loves to eat. However just those few callous words from her friend were enough to pierce her heart. Hibiki then decides that she is going to go on a diet and lose weight before summer break, but she soon becomes unable to continue exercising and dieting on her own.

Then one day, she finds herself outside of a gym. Then after joining, she finds out that her classmate, the beautiful and charismatic female student council president, Akemi Souryuuin goes to the same gym! This is where Hibiki takes her first steps into the interesting and fun world of weight training…

Hibiki Sakura

Voice Actor: Ai Farouz

Hibiki is a second year student attending Kouyou Girls Academy. She’s cheerful and naive When her close friend Sayaka points out that she has been gaining weight, she joins a gym to slim down. Hibiki is looking for a boyfriend

Akemi Souryuuin

Voice Actor: Sora Amamiya

Akemi is a classmate of Hibiki’s at school. She has been the student council president since she was a first-year student and has been the queen of the school for two years running. Her family is super rich, so Akemi is the perfect girl with excellent grades, great at sports, has excellent manners, and is kind. At the same time, she has an extreme fetish for muscles.

Sayaka Uehara

Voice Actor: Shizuka Ishigami

Sayaka is Hibiki’s best friend. She’s street smart and thinks of her friends. After school, she almost always with Hibiki walking and eating something or watching movies. She and Hibiki are big fans of Togegen Chounegga.

Zina Void

Voice Actor: Nao Touyama

Zina is from Russia and is a second-year student at Gremlin West High. She studied Sanbo back home, and is quite skilled to the point that she took 5th place at the Moscow Arm Wrestling Tournament. She is well-versed in Japanese culture and can speak the language fluently, but she detests losing.

Satomi Tachibana

Voice Actor: Yui Horie

Satomi is a 29-year-old single teacher at Kouyou Girls Academy. She’s intellectual and has a trim, beautiful figure, but she is worried about gaining weight. She joins the silverman gym near the school. She has a secret that she must never let anyone know about. She’s worried that if she is found out, she’s concerned her body will give out.

Naruzou Machio

Voice Actor: Kaito Ishikawa

Naruzou is a trainer at the gym that Hibiki and the girls go to. He’s a good-looking guy in his 20s with a semi-refreshing air about him. He once studied abroad in order to study sports theory better. He’s very wise when it comes to the human body and training.