sasaki masakatsu, someya mako, saki (manga), official art, 1girl, anime coloring, arms behind back, black socks, blue sailor collar, blue skirt, bow, breasts, brown eyes, brown shoes, closed mouth, curtained hair, full body, glasses, green bow, green hair, kiyosumi school uniform, loafers, looking at viewer, pleated skirt, sailor collar, sailor shirt, school uniform, serafuku, shirt, shoes, short hair, short sleeves, simple background, skirt, small breasts, smile, socks, solo, standing, tareme, transparent background