Based on the popular anime and manga series 'Dumbbell Nan Kilo Moteru?', these memes primarily center around the comedic juxtaposition of high-intensity bodybuilding and slice-of-life anime aesthetics. The most iconic scenes often feature the trainer Machio Naruzo suddenly bursting out of his tracksuit to reveal a massive, muscular physique, usually accompanied by the shout 'Saido Chesto!' (Side Chest). Fans use this template to poke fun at gym culture, unexpected fitness transformations, and the struggle of maintaining a diet. The vibrant energy of the series, combined with its educational tips on weightlifting, has made it a staple in both the anime and fitness communities online since its debut.