kawashima sapphire, hibike! euphonium, official art, second-party source, 1girl, ankle socks, arms at sides, bow, brown eyes, brown hair, brown serafuku, brown shirt, brown skirt, closed mouth, full body, hair bow, hair ornament, hand up, kitauji high school uniform, loafers, long sleeves, looking at viewer, multiple views, neckerchief, pleated skirt, red neckerchief, sailor collar, school uniform, serafuku, shirt, shoes, short hair, simple background, skirt, smile, socks, standing, tachi-e, transparent background, turnaround, white sailor collar, white socks