6+girls, animal_ears, balloon, bare_shoulders, blue_eyes, cat_ears, chino_(valis), green_eyes, green_hair, halloween, halloween_costume, horns, jack-o'-lantern, looking_at_viewer, majamari, multiple_girls, myu_(valis), neffy_(valis), nina_(valis), pumpkin, purple_hair, rara_(valis), red_eyes, red_hair, valis_(sinsekai), vitte_(valis), wings, yellow_eyes