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