A charming young woman featuring white hair styled into playful ponytails, adorned with a horned headband, is dressed in a sleek black denim jacket. Her striking blue eyes reflect the vibrant colors of the cyberpunk world, while a backpack slung over her shoulder conceals a katana. She stands in a bustling futuristic subway setting. The scene is rendered in hyperrealistic detail, utilizing 8k resolution and the power of unreal engine, creating a lifelike 3D image with an expressive style that captures the essence of a neon-lit urban landscape.