1girl, solo, blue hair, purple eyes, red horns, neck bell, bare shoulder, bare legs, detachable long sleeves, medium breast, black undershirt, neck tie undershirt, beautiful smile, outdoor, on the middle of the road, traffic lights, tall building, city, look at viewer, facing away, best quality, potrait, (extremely detailed CG unity 8k wallpaper, masterpiece, best quality), (detailed background), High contrast, (best illumination, an extremely delicate and beautiful), realistic, perfect light,ganyu \(genshin impact\)