1girl, bat_wings, beach, black_horns, black_wings, blue_archive, blue_one-piece_swimsuit, blue_sky, breasts, closed_mouth, cloud, covered_navel, day, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, kneeling, long_hair, looking_to_the_side, low_wings, official_alternate_costume, old_school_swimsuit, one-piece_swimsuit, outdoors, pink_eyes, school_swimsuit, sky, small_breasts, solo, superpig, swimsuit, very_long_hair, wet, whistle, whistle_around_neck, white_hair, wings