1girl, bangs, blush, boyano, brown eyes, brown hair, brown shirt, brown skirt, closed mouth, euphonium, grey background, hibike! euphonium, holding, holding instrument, instrument, kitauji high school uniform, kneehighs, long sleeves, looking at viewer, neckerchief, oumae kumiko, pleated skirt, red neckerchief, sailor collar, school uniform, serafuku, shirt, short hair, simple background, sitting, skirt, smile, socks, solo, uniform, white sailor collar, white socks