1girl, ahoge, ass, barefoot, blue_archive, demon_girl, demon_horns, demon_wings, forehead, hair_ornament, hairclip, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, innertube, legs, long_hair, looking_at_viewer, lying, name_tag, official_alternate_costume, old_school_swimsuit, on_side, one-piece_swimsuit, one_side_up, parted_bangs, purple_eyes, saibashi_(develop_komono), school_swimsuit, sidelocks, simple_background, sleeveless, solo, swimsuit, toes, whistle, whistle_around_neck, white_background, white_hair, wings