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Adult muscular man kneeling on light-colored tiled floor, torso leaning forward slightly with hands behind hips partially out of frame. Wearing grey short-sleeve athletic t-shirt with subtle textured pattern and small logo, beige shorts over black compression briefs visible at thigh edges, white crew socks pulled to mid-calf, metallic green high-top sneakers with white laces. Indoor room setting with wooden door panel to right, soft directional lighting from left casting shadows on legs. Vertical portrait crop focusing on lower torso and legs, head partially cut off at top. High-resolution skin texture, naturalistic cool undertones, confident masculine mood., 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