full body character turnaround sheet, single row, three columns, three mandatory views of the same man: front view, strict 90 degree side view, back view. each view must show a different angle, not all front views. head to toe, entire body visible, standing relaxed, arms hanging naturally at sides. same person, same face, same short messy black hair, same white long sleeve shirt, same dark pants, same shoes. thin white lines separating the three columns. plain neutral gray studio background, uniform soft lighting, realistic cinematic texture, subtle film grain. official character reference sheet. no collages, no multiple expressions, no extra poses, no environment. 负面提示词：all front views, same angle, duplicate portraits, multiple front faces, close-up, bust shot, upper body only, cropped legs, cut-off feet, partial body, different people, inconsistent face, different hairstyle, different clothes, room, wall, furniture, posters, text, watermark, logo, anime, illustration, painting, deformed limbs, extra panels