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Asian man with short black buzz cut and light stubble stands full-body in front of a large mirror, facing forward with slight torso rotation left; He wears a white ribbed cotton sleeveless tank top exposing broad shoulders, defined pectorals, vascular arms, and neck; grey heathered sweatpants with drawstring sit at the waist over thick thighs clad in white crew socks pulled to mid-calf and white slide sandals; Right arm bent holding black smartphone vertically against chin taking a mirror selfie while left arm relaxes by side; Indoor locker room setting with white lockers and tiled floor under overhead fluorescent lights creating even illumination and soft shadows; High contrast between skin tones and clothing, minimalist composition centered on physique within the reflection, shot on iPhone 15 Pro main camera, authentic smartphone computational photography, natural Smart HDR and true-to-life skin texture, vertical 9:16 Xiaohongshu lifestyle feed, bright clean everyday scene, unretouched phone photo with subtle sensor grain, trendy Chinese internet 网红 aesthetic, candid influencer energy, phone held naturally; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces