Prompt

Heavily muscular adult man with substantial muscle mass, wide shoulders, thick neck, large chest and arms, powerful thighs, and dense bodybuilding proportions; Asian man with light to medium tan skin and short straight black hair stands shirtless in a vertical mirror selfie; He wears loose-fitting black athletic shorts reaching mid-thigh, featuring an elastic waistband and a small white stylized 'E' logo near the lower-left hem; His right hand grips the waistband while pulling fabric upward slightly; left hand holds a white smartphone steady for capture; Defined pectorals, deltoids, rectus abdominis, and vascular forearms are visible under soft frontal illumination in an indoor room with neutral walls and a light-colored sofa background; High-resolution detail on skin texture, clean composition emphasizing physique; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces