3girls, black_hair, book, brown_eyes, brown_hair, holding, holding_book, kibina_high_school_uniform, long_hair, multiple_girls, neckerchief, necktie, pink_background, pleated_skirt, red_neckwear, ribbon, sailor_collar, school_uniform, serafuku, shirt, short_sleeves, simple_background, skirt, smile, sweater_vest, upper_body, white_shirt