4girls, :<, =_=, ^_^, black_hair, blush, chibi, closed_eyes, door, fang, folded_ponytail, hair_ornament, hairclip, have_to_pee, long_hair, multiple_girls, neckerchief, open_mouth, pantyhose, school_uniform, serafuku, short_hair, silver_hair, skin_fang, skirt, tears, trembling, urine_meter