4girls, ahoge, bandaid, bandaid_on_face, bell, breasts, comic, floor, flower, greyscale, hair_bell, hair_between_eyes, hair_bobbles, hair_flower, hair_ornament, jingle_bell, long_hair, monochrome, multiple_girls, neckerchief, open_mouth, poster_(object), school_uniform, serafuku, short_hair, short_sleeves, side_ponytail, twintails, window