1girl, adjusting_clothes, adjusting_swimsuit, armpits, ass, blue_archive, blue_sky, cloud, cloudy_sky, demon_girl, demon_horns, demon_wings, forehead, from_behind, halo, hayana_neru, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horizon, horns, leaning_forward, long_hair, looking_at_viewer, name_tag, ocean, official_alternate_costume, old_school_swimsuit, one-piece_swimsuit, one_side_up, parted_bangs, purple_eyes, school_swimsuit, sidelocks, sky, sleeveless, solo, swimsuit, twisted_torso, wet, wet_clothes, wet_swimsuit, white_hair, wings