4girls, between_legs, blonde_hair, blue_eyes, blue_swimsuit, breasts, cleavage, competition_swimsuit, full_body, grey_eyes, hand_between_legs, highleg, highleg_swimsuit, impossible_clothes, impossible_swimsuit, large_breasts, long_hair, multiple_girls, one-piece_swimsuit, ponytail, seiza, sitting, smokestack_hair_ornament, swimsuit, twintails