Rule 34 Dev - 1girl arms_behind_back barkhorn0331 bikini blonde_hair breasts cinderella_series collarbone cowboy_shot hachigatsu_no_cinderella_nine highres long_hair looking_at_viewer micro_bikini navel nozaki_yuuki side-tie_bikini_bottom simple_background solo standing sweat swimsuit three_quarter_view white_background white_bikini|24947655291