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