1girl, black_horns, blue_archive, blue_one-piece_swimsuit, blue_sky, breasts, closed_mouth, cloud, day, hair_between_eyes, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, letterboxed, long_hair, looking_at_viewer, low_wings, official_alternate_costume, old_school_swimsuit, one-piece_swimsuit, outdoors, partially_underwater_shot, purple_eyes, school_swimsuit, sky, small_breasts, solo, swimsuit, thighs, very_long_hair, wading, wet, white_hair, wings, yoshikawa_hiro