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