Hibiki is a teenage girl who loves to eat, but when she notices her waistline expanding, she decides to check out the local gym. The gym is full of buff dudes…and Akemi, the student council president?! When Akemi tries to convince Hibiki to take up weight training, Hibiki resists–until she meets pretty boy trainer Machio. Now, Hibiki is willing to do whatever it takes to get fit!
Hibiki and company are trying out some new experiences to reach their fitness goals! First up, a home workout—then the beach! Not long after, it’s time for the school sports festival. And then, Hibiki joins an arm-wrestling competition?!
Zina is thriving in her new life as a Russian exchange student in Japan! She loves anime, cosplay, and idols—but she’s not just a fan. She wants to be an idol, too! Can she convince her new friends to form a muscle-building idol group?!
Zina is thriving in her new life as a Russian exchange student in Japan! She loves anime, cosplay, and idols—but she’s not just a fan. She wants to be an idol, too! Can she convince her new friends to form a muscle-building idol group?!
The girls’ quest for idol stardom continues—this time with a hidden talent show! What will happen when they capture the attention of a TV network with their talent for making gainz?
It’s time for a punching machine contest! Will the power of Hibiki’s punch reign supreme once again? Also, why the heck is Jason in prison?
It’s time for a field trip in the mountains! But what starts out as a fun fitness adventure soon spins out of control when Hibiki, Tachibana, and Rumika get lost in the woods. Will they miss out on the BBQ lunch…or make it out alive?
Just like her muscles, Hibiki’s feelings for Machio-san are growing! Now, she must make a huge decision that could affect her whole future! With a test of courage, a festival, and TV appearances coming up, the gym gang are in for a thrilling summer bulging with opportunities to get ripped!
The summer sweatfest is over, but the Silverman gym-goers aren’t letting the change of season slow down their fitness journeys! Whether it’s at the arcade, the movie theatre, or even drinking alone at home, it’s a body-sculpting bonanza! However, when the girls take a school trip, the fall fitness vibes take a spooky twist. Just who is the beautiful but mysterious woman awaiting them in Kyoto?!
While in Kyoto, Hibiki and her friends get into all sorts of battles: an eating contest, card games, and literal fights! Through their trials and tribulations, they learn that training and eating for a fit body can happen anywhere, anytime—even on a school trip!
Hibiki and Satomi are entering a fat-loss contest! As Machio points out, however, running alone won’t cut it. What will they do to get lean? Follow their fat-loss journey and learn how to get lean even when you can’t go outside!
Hibiki and the girls enter a basketball tournament as a team, but Eimi and Hibiki suck at basketball! Everyone decides to start a special training program to improve their court skills…but can they see it to the end, or will they drop the ball?
Muscle-obsessed Akemi comes up with the idea of forming a strength training club at school. Hibiki and the others join in, and the girls turn the school’s old gymnasium into the club’s base. But the club is no cake walk, as everyone challenges themselves to intense workouts they can’t do at the gym!
After getting involved in a turf war, Hibiki gets drafted by delinquents and ends up participating in a fierce battle against a bunch of big, tough ladies! Is she out of her mind, or just out of her league? Plus, tons of new workout routines that will strengthen your body from your core to your fingertips!
Hibiki and Ayaka get blown away by the power of Machio’s muscles and slip into a time warp that lands them back in the past–and in a warzone! When the two meet Imagawa Yoshimoto on the battlefield, they decide to retrain his soldiers to ensure victory!
When Hibiki decides to get serious about sculpting her body, she turns to the Spartan guidance of Kure Yakusha, Utsunomiya Koharu, and Machio Naruzou. Can she withstand their punishing workouts? Plus, lots of new exercises including yoga, pole dancing, and ways to slim down your face!
While experimenting with next-generation VR, Hibiki and her friends get transported to a fantasy world! Luckily their strength training makes them worthy opponents against deadly monsters and dangerous dungeons, but if they can’t find a way out, they’ll be stuck there forever!
Zina enters an amateur combat tournament where female fighters from all over Japan compete to be the strongest. With a million-yen prize at stake, Utsunomiya and Kure both jump in to offer new strength training tips, but what will happen when Ayaka also enters the tournament?
Hibiki and her friends decide to hit the slopes and go to a ski training camp, but they’re horribly out of practice. Could there be a certain strength training solution to get them up to speed? Plus, solutions to common workout concerns that will make strength training easier than ever!
The arm wrestling tournament is back at Silverman Gym, and Zina’s determined to triumph over Hibiki this time! Is a secret training regimen enough to ensure victory? Plus, new characters join the fray, including a trainer from another gym and a trio from the slot machines!
Imagawa Yoshimoto, now leader of the Space-Time Legion, warns Hibiki and Ayaka that the future is in jeopardy—and it’s all their fault! To save the future, they must go back in time, but what awaits them there? Meanwhile, a battle breaks out between Brazilian jiu-jitsu master Mia and…Zina?! Don’t worry, everything will be all right thanks to the power of muscles!