Heavily muscular adult man with substantial muscle mass, wide

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 short black buzz cut and clean-shaven face, neutral direct gaze into mirror reflection, seated on gym bench facing forward; Shirtless adult wearing white long-sleeve compression shirt covering torso from neck to waistline and matching white athletic shorts ending mid-thigh with visible drawstring waistband; Legs spread wide apart with knees bent, thighs prominently displayed showing thick quads and defined glutes; calves partially visible below hem; Holding dark blue smartphone vertically in right hand capturing mirror reflection, left hand resting on left thigh near hip area; Indoor gym environment with exposed ceiling pipes, industrial lighting fixtures, black rubber flooring speckled with white flecks, mirrored walls reflecting fitness equipment behind him on right side and wall text 'YOUR DEST'; Overhead track lights casting directional shadows across face and torso, ambient fluorescent glow creating soft highlights on light-medium skin tones; High-contrast gym photography, mirror selfie; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces