A short but extremely muscular and highly vascular man, wearing a tight, form-fitting sports uniform that strains against his powerful physique. He is standing on a bench in a gym, his muscles clearly defined and bulging beneath the clothes, veins prominent. The scene captures the contrast between his exaggerated musculature and the everyday gym setting. Detailed smooth lighting, muscle fiber, and vascular detail, creating an ultra-realistic and cinematic effect. Dynamic angle, Dynamic pose,1boy, solo focus, black shiny compression shirt, sleeveless shirt, black athletic shorts, highly detailed, high quality, fingerless gloves, muscular neck, veiny neck, big muscular thighs, pumped muscular pecs, V-shaped body, puffed chest, muscular body, muscular arms, muscular legs, contracted pecs, puffed chest, close_up view, back view, from below, upper body, flexing, posing, muscle flex, kwondaegun, black hair, black eyes