Shirtless adult man with defined abdominal musculature including

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Shirtless adult man with defined abdominal musculature including rectus abdominis segments, obliques, and lower abs, broad shoulders, narrow waist standing in front of a round mirror taking a selfie; Left hand holding black smartphone to face obscuring eyes/nose/mouth; right hand inserted into right trouser pocket with elbow bent outward; torso angled slightly toward camera; head tilt; Wearing open grey textured suit jacket (single-breasted, two visible buttons), white collared dress shirt unbuttoned at top exposing bare chest and abdomen, grey tailored trousers matching the jacket, black leather belt with silver rectangular buckle; Indoor room with large window covered by sheer curtains showing blurred city lights at night; wooden furniture including sofa and side table visible in background reflection; Soft ambient indoor lighting creating gentle shadows on torso musculature; reflected light from smartphone screen illuminating part of face/hand; Waist-up shot framed by round mirror, centered within circular mirror reflection, occupying majority of frame vertically from waist up to obscured head; Mirror selfie composition, fashion editorial aesthetic, fine-art photography; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces