Rias Gremory is the main female protagonist of High School DxD. She is the heiress of the Gremory Clan after her older brother, Sirzechs, took the title of Lucifer. She is the only daughter and youngest child of Zeoticus and Venelana Gremory, the aunt of Millicas Gremory, and the cousin of Sairaorg and Magdaran Bael.
Rias Gremory is the ultimate main female protagonist of the light novel and anime series High School DxD. She is a Devil from the Gremory Clan - a family of.
There are also Sirzechs and Rias' unknown grandparents who have retired and are quietly living in the Gremory's territory. Issei Hyoudou is viewed as a member.
Rias Gremory (リアス・グレモリー, Riasu Guremorī) is a fictional character who appears in the light novel, anime, and manga series High School DxD authored.