Rule 34 Dev - 1girl aa211108 arms_between_legs bikini blush breasts brown_hair collarbone feet_out_of_frame idolmaster idolmaster_cinderella_girls invisible_chair koseki_reina long_hair looking_at_viewer side-tie_bikini_bottom simple_background sitting small_breasts solo swimsuit very_long_hair white_background white_bikini|19167404022