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Asian man with short black hair and clean-shaven face stands facing camera in a clinical room, pulling open an unbuttoned white shirt worn off shoulders to expose bare chest and abdomen. Athletic build with defined abs visible against light-medium skin tone. Black trousers with belt at hip level reveal waistband; no socks or shoes shown. Bright overhead lighting casts sharp shadows on the gray walls and air conditioner unit in background. Vertical portrait crop, centered composition, phone-camera aesthetic with slightly soft focus capturing a candid iPhone rear-camera snapshot energy., a single uninterrupted photograph only, no written words or typography anywhere in frame, no captions, no app UI, no social-media post layout, no screenshot borders