1girl, ahoge, armpits, batazungharn, blue_archive, collarbone, demon_girl, demon_horns, demon_wings, forehead, hair_ornament, hairclip, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, leaning_back, lifebuoy, loli, long_hair, looking_at_viewer, name_tag, ocean, official_alternate_costume, official_alternate_hairstyle, old_school_swimsuit, one_side_up, parted_bangs, school_swimsuit, sidelocks, sleeveless, solo, standing, swimsuit, wading, wet, wet_clothes, wet_swimsuit, whistle, whistle_around_neck, wings