gunlock, ginga tetsudou 999, ginga tetsudou monogatari, original, looking away, 00s, 1girl, :d, animal, artist name, bag, black hair, black socks, blue eyes, blue hair, blue vest, book, bow, briefcase, cat, closed umbrella, crossover, earth (planet), female focus, hair bow, hair ribbon, holding, holding book, kneehighs, looking to the side, miniskirt, open mouth, planet, ponytail, ribbon, school bag, school briefcase, school uniform, short hair, short ponytail, short sleeves, sitting, skirt, smile, socks, solo, space, space train, star (sky), train, train interior, umbrella, vest, watch, white skirt, window, wing collar, wristwatch