4girls, aircraft, animal_ear_fluff, animal_ears, bare_shoulders, beach, bikini, black_bikini, black_hair, black_one-piece_swimsuit, blue_archive, blue_eyes, blush, breasts, cat_ears, cloud, competition_swimsuit, cross_hair_ornament, extra_ears, eyewear_on_head, frilled_bikini, frills, goggles, goggles_on_head, grey_hair, hair_ornament, halo, helicopter, higashigure, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), inflatable_toy, inflatable_whale, legs, long_hair, looking_at_viewer, medium_breasts, medium_hair, mismatched_pupils, multicolored_clothes, multiple_girls, nonomi_(blue_archive), nonomi_(swimsuit)_(blue_archive), ocean, off-shoulder_bikini, off_shoulder, official_alternate_costume, one-piece_swimsuit, outdoors, pink_hair, ponytail, red_eyes, sandals, serika_(blue_archive), serika_(swimsuit)_(blue_archive), shiroko_(blue_archive), shiroko_(swimsuit)_(blue_archive), sky, squatting, starfish, swimsuit, thighs, toes, twintails, very_long_hair, wet, white_bikini, wolf_ears