A charming young woman with long, white hair styled in a ponytail, a headband adorned with small horns, wearing a sleek black denim jacket. She carries a backpack fitted with a katana. Her bright blue eyes exude a sense of intrigue. Set in a cyberpunk-themed subway, the scene is captured in hyperrealistic detail with lifelike textures, evoking a photorealistic allure. The setting is rendered in 8k resolution, utilizing unreal engine technology for a high-fidelity 3D appearance. The environment has a dynamic, expressive style with vibrant neon lights adding to the futuristic ambiance.