>>4367429It's not a costume as such, but Fortified Pillbox Princess as a house to go trick or treating at, her hands extending out of one of her windows to dump a handful of candy into the bag of Hoppou, her little sister, or some flavour of imp.
(Also depending how OK you are with non-abyssals and lewd implications, hearts drifting out of the other window, TTK's hat on the floor, and a DD/DE looking around confused.)
