tanaka asuka, hibike! euphonium, official art, second-party source, 1girl, black hair, black pantyhose, blue eyes, brown serafuku, brown shirt, brown skirt, closed mouth, full body, glasses, green neckerchief, hair ornament, hand on own hip, kitauji high school uniform, long hair, long sleeves, looking at viewer, multiple views, neckerchief, pantyhose, pleated skirt, sailor collar, school uniform, serafuku, shirt, shoes, simple background, skirt, smile, standing, tachi-e, transparent background, turnaround, white sailor collar, white shoes