Heavily Substantial Muscle Mass

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 skin and short dark hair featuring a side parting, clean-shaven face with slight chin stubble; Standing in profile facing left mirror reflection, right hand holding smartphone to capture selfie angle while left hand pulls black crew-neck t-shirt upward exposing chest and abdomen; waistband still mid-thigh on dark denim jeans with belt loops visible; Indoor gym environment with weight racks and exercise equipment background under overhead recessed lighting creating soft shadows; High contrast sharp focus portrait composition center-right foreground occupying majority vertical frame space, athletic photography aesthetic emphasizing defined pectoral muscles six-pack abs broad shoulders confident strength; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces