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. A full-body photograph capturing the woman, maintaining her exact facial identity, blue eyes, and wavy brown hair. She is posed identically on the rocky mountain trail, looking directly at the camera with a slight smile. She wears the identical tan fleece jacket, olive green cargo pants, and brown hiking boots, with the black backpack over her shoulders. The background of the snow-capped mountain range and forested valley is preserved. The lighting is natural daylight. The image is composed in a 1:1 aspect ratio.