1girl, ahoge, beach, bent_over, blue_archive, blurry, collarbone, demon_girl, demon_horns, demon_wings, depth_of_field, forehead, hair_ornament, hairclip, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), holding, horns, lifebuoy, long_hair, looking_at_viewer, name_tag, nyaruin, ocean, official_alternate_costume, old_school_swimsuit, one_side_up, outdoors, parted_bangs, pout, purple_eyes, school_swimsuit, sidelocks, sleeveless, solo, swimsuit, wading, water, wet, wet_clothes, wet_swimsuit, whistle, whistle_around_neck, white_hair, wings