1girl, ass, breasts, brown_eyes, competition_swimsuit, cowboy_shot, from_behind, hand_on_own_ass, highleg, highleg_swimsuit, kurama_koharu, long_hair, looking_at_viewer, looking_back, low_ponytail, ncontrail_(mgax7527), one-piece_swimsuit, pink_hair, red_one-piece_swimsuit, senren_banka, simple_background, small_breasts, solo, standing, swimsuit, white_background