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 high-resolution, professional portrait photograph (1:1 aspect ratio) of the woman, strictly preserving her authentic facial identity, expression, and exact hair characteristics and texture. She is walking in the identical park setting on the gravel path, with the soft-focus green trees in the background. She is wearing the same open blue denim jacket with rolled sleeves, the same white crew-neck t-shirt, and the same taupe-grey pants, maintaining the exact pose with her hands by her sides. The natural daylight illuminates the scene, highlighting the fabric textures and her hair. The focus is sharp on the woman, with a pleasing depth of field. Every detail of her face and hair is rendered.