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 light medium tan skin, short dark wavy hair tapered sides, clean shaven face neutral serious gaze at phone screen; Standing profile facing left holding black smartphone both hands against chest for gym mirror selfie reflection; Shirtless bare chest abdomen arms defined pectorals abdominal definition prominent biceps triceps thick thighs wearing light gray sweatpants elastic waistband drawstrings no socks shoes visible; Modern fitness center interior rows dumbbells racks mirrored walls reflecting equipment cityscape view outside windows overhead track lighting fixtures mounted ceiling beams creating even illumination subtle shadows accentuating musculature definition high-resolution smartphone photography naturalistic color grading vertical portrait orientation capturing subject from thighs up to top of head athletic gym photography defined anatomy confident strength directional light; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces