(masterpiece, best quality), anime-style historical illustration, steamship navigation deck, brass instruments, compass table, 19th century atmosphere, (2girls:1.5), (alien girl:1.15), passenger, youthful bishoujo, black hair, retro-futuristic hairstyle, fully yellow skin, porous texture, tired eyes, subtle facial fatigue, adapted sailor attire, standing attentively beside instruments, (girl:1.1), navigator, yellow eyes, celestial blue hair with light passing through, white sailor dress with yellow outline, red necktie, navy cap, leaning slightly forward, focused gaze, working atmosphere, quiet discipline, overcast daylight, diffused lighting