Heavily muscular adult man with substantial muscle mass, wide

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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 short spiky black hair and clean-shaven face, standing in profile facing right holding a dark gray iPhone-style phone near chest for mirror selfie; Wearing light gray ribbed tank top covering torso and shoulders, broad muscular build with defined deltoids and visible biceps; Gym interior background with weight racks under overhead fluorescent lighting casting even illumination on skin tones; Vertical portrait crop from head to upper thighs, center-left foreground occupying majority of frame; Athletic photography style, confident strength pose, dramatic directional light highlighting muscle definition, casual fitness atmosphere; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces