1girl, :d, absurdres, ahoge, black_horns, blue_archive, blue_one-piece_swimsuit, flat_chest, highres, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, long_hair, looking_at_viewer, low_wings, official_alternate_costume, one-piece_swimsuit, open_mouth, purple_eyes, simple_background, smile, solo, somray, swimsuit, wet, wet_clothes, wet_swimsuit, whistle, whistle_around_neck, white_background, wings