 A tall red-haired devil with a voluptuous body, she is a third-year top-ranking high school student at ; she is also the leader of the , which is a front for her devil team, of which she is the King.Known as the and the heiress to the Gremory family of devils, she goes to a normal high school where she does not have to flaunt her status.Rias develops feelings for Issei over the course of the series.