4girls, bird, comic, crossed_arms, greyscale, hair_ribbon, hakama, hakama_short_skirt, hakama_skirt, high_ponytail, japanese_clothes, long_hair, monochrome, multiple_girls, neckerchief, ponytail, ribbon, school_uniform, serafuku, short_hair, skirt, sweat, thighhighs, zettai_ryouiki