crowd, hibike! euphonium, hibike! euphonium series, kohei okamura, multiple girls, kitauji high school uniform, 6+girls, school uniform, kousaka reina, serafuku, brown hair, purple eyes, black hair, oumae kumiko, long hair, neckerchief, skirt, indoors, blush, looking at viewer, blurry, short hair, pleated skirt, blue skirt, hair ornament, hairclip, brown eyes, twintails