1girl, afloat, ahoge, barefoot, blue_archive, blue_sky, blurry, cloud, cloudy_sky, collarbone, demon_girl, demon_horns, demon_wings, depth_of_field, feet, foot_focus, forehead, foreshortening, hair_ornament, hairclip, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, in_water, innertube, knees_up, legs, long_hair, looking_at_viewer, name_tag, ocean, official_alternate_costume, old_school_swimsuit, on_innertube, one_side_up, parted_bangs, purple_eyes, school_swimsuit, sidelocks, sky, sleeveless, soles, solo, spread_toes, swimsuit, toenails, toes, user_hykc3887, wet, whistle, whistle_around_neck, white_hair, wings