kuroe mayu, oumae kumiko, hibike! euphonium, commentary request, official art, 2girls, album cover, black pantyhose, blue eyes, breasts, brown eyes, brown hair, brown serafuku, brown shirt, brown skirt, chair, cover, day, euphonium, holding, holding instrument, instrument, kitauji high school uniform, long hair, long sleeves, multiple girls, neckerchief, on chair, outdoors, pantyhose, pleated skirt, red neckerchief, sailor collar, school uniform, serafuku, shirt, short hair, sitting, skirt, socks, white sailor collar, white socks