失われた古代の機械文明
masterpiece, best quality, extremely detailed, anime, girl, Hatsune Miku, VOCALOID, long twin tails in light blue, mini skirt, girl, clear blue eyes, sleeveless, tie headphones, black arm cover, black long boots, ancient city swallowed by the forest with moss and ivy, ancient machines, soft sunlight filtering through, mystical firefly lights, mystical, mysterious, fantasy
