1girl, ahoge, ass, barefoot, black_horns, blue_archive, blue_one-piece_swimsuit, chirang, demon_horns, demon_wings, from_behind, full_body, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), holding, holding_innertube, horns, innertube, legs, long_hair, low_wings, multiple_horns, official_alternate_costume, one-piece_swimsuit, parted_bangs, purple_eyes, school_swimsuit, simple_background, solo, swimsuit, toes, white_background, white_hair, wings