crowd, hibike! euphonium, hibike! euphonium series, kohei okamura, 6+girls, multiple girls, kitauji high school uniform, school uniform, black hair, kousaka reina, skirt, brown hair, indoors, oumae kumiko, blue skirt, serafuku, nakagawa natsuki, pleated skirt, neckerchief, yoroizuka mizore, kasaki nozomi, long hair, ponytail, short hair, pink neckerchief, twintails, sailor collar, white shirt, shirt, socks, hallway, standing, purple eyes, blonde hair, green neckerchief, short sleeves, bangs, shoes, medium hair, brown eyes, looking at another, closed mouth