crowd, hibike! euphonium, hibike! euphonium series, kohei okamura, multiple girls, kitauji high school uniform, school uniform, 6+girls, serafuku, kousaka reina, black hair, brown hair, purple eyes, long hair, blurry, indoors, skirt, nakagawa natsuki, neckerchief, blue skirt, looking at viewer, blush, green neckerchief, pleated skirt, oumae kumiko, ponytail, sailor collar, yoroizuka mizore, blurry background, white shirt, brown eyes, depth of field, blue sailor collar, short sleeves, shirt