Asian man, light-medium skin tone, short black buzz cut straight

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Asian man, light-medium skin tone, short black buzz cut straight texture high forehead clean hairline, clean-shaven face neutral pensive gaze at phone screen; Standing in gym interior right leg bent foot flat floor left leg crossed over right knee left hand resting on left thigh holding black smartphone mirror selfie action dark grey fitted short-sleeve t-shirt covering torso completely black athletic shorts ending mid-thigh fully clothed broad shoulders defined biceps triceps thick thighs visible quadriceps definition; Gym equipment dumbbell rack mirrors background grey rubber flooring overhead fluorescent lighting even illumination candid iPhone selfie energy real lifestyle scene trendy influencer vibe vertical portrait 13:19 aspect ratio; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces