A charming young woman with striking white ponytailed hair complemented by a horn headband, dressed in a dark denim jacket, carrying a katana-laden backpack. Her captivating blue eyes reflect the vibrant lights of a cyberpunk-inspired subway setting. Captured in hyperrealistic, photorealistic detail at 8k resolution, this scene is reminiscent of an unreal engine 3D render with dynamic expressive style elements, maintaining the aspect ratio of 9:16.