1boy, 2girls, 4koma, belt, black_background, black_headwear, black_legwear, black_skirt, blush, comic, flat_cap, hat, long_hair, multiple_girls, open_mouth, pleated_skirt, purple_hair, sailor_collar, sailor_shirt, school_uniform, serafuku, shirt, skirt, thighhighs, uniform, white_background, white_hair, white_headwear, white_shirt