Eye shape, eye color, and exact natural hair characteristics are fully and seamlessly replaced by the user's uploaded reference image, strictly preserving the user's authentic facial identity, hair texture, and look perfectly while adapting to the pose.This is a 1:1 aspect ratio studio portrait of the same young man standing against the identical cream-colored background with the large orange-brown circle. He retains his exact pose, wearing the same vibrant yellow oversized blazer, matching belted trousers, and the pleated cream-colored turtleneck shirt. The critical instruction is that the man's face, including the precise eye shape and color, and all his natural hair characteristics (texture, volume, style, color, and hairline), are fully and seamlessly replaced with the authentic likeness derived from the user's reference image, ensuring a perfect match to that identity while strictly maintaining his original pose, expression, clothing, and the detailed background.