1girl, aekun_cben, animal_ears, ass, back, bad_pixiv_id, blue_archive, blue_eyes, blue_sky, competition_swimsuit, cross_hair_ornament, day, ear_piercing, extra_ears, from_behind, grey_hair, hair_ornament, halo, highleg, indoors, looking_back, mismatched_pupils, official_alternate_costume, one-piece_swimsuit, piercing, pool, pool_ladder, racerback, shiroko_(blue_archive), shiroko_(swimsuit)_(blue_archive), side_ponytail, sky, solo, swimsuit, wading, water, wet, window, wolf_ears