1girl, ahoge, bare_legs, blue_archive, blue_one-piece_swimsuit, demon_wings, film_grain, full_body, hair_ornament, hairclip, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), holding, holding_innertube, innertube, long_hair, looking_to_the_side, low_wings, official_alternate_costume, one-piece_swimsuit, outdoors, parted_bangs, parted_lips, purple_eyes, sandals, school_swimsuit, sky, solo, swimsuit, takashima_shoa, very_long_hair, whistle, whistle_around_neck, white_hair, wings