Rias Gremory is a prominent character from the anime and light novel series *High School DxD*, created by Ichiei Ishibumi. She is a beautiful and powerful high-ranking devil, known as the heir of the Gremory clan. Rias is characterized by her long crimson hair, blue-green eyes, and a confident yet caring personality. As the president of the Occult Research Club at Kuoh Academy, she recruits the protagonist, Issei Hyoudou, into her group, leading him into a world of supernatural battles and complex relationships. Rias is admired for her strength, intelligence, and loyalty, often serving as a protective figure to her friends and allies.