3girls, animal_ears, ass, back_cutout, bikini, black_hair, blue_archive, blue_one-piece_swimsuit, cat_ears, clothing_cutout, competition_swimsuit, extra_ears, frilled_bikini, frills, from_behind, grey_hair, halo, hand_on_own_hip, highleg, highleg_swimsuit, hood_(james_x), locker, locker_room, multiple_girls, nonomi_(blue_archive), nonomi_(swimsuit)_(blue_archive), official_alternate_costume, one-piece_swimsuit, serika_(blue_archive), serika_(swimsuit)_(blue_archive), shiroko_(blue_archive), shiroko_(swimsuit)_(blue_archive), swimsuit, wolf_ears, yellow_bikini