masterpiece, best quality, beautiful detailed eyes, ultra-detailed, finely detail, highres, perfect anatomy, colorful, Kyoto Animation city pop, 1 girl, solo, simple background, retro style, (1990s city pop art style), (city pop anime), road by the sea, tree-lined streets, retoro style, 1990s fashion, sea, vivid colors, RETRO ART STYLE, NEON_POP ART STYLE, flat color