High School DxD Wiki Advertisement High School DxD Wiki Rias Gremory Unmute Duration 38:10 / Current Time 0:41 Advanced Settings Fullscreen Pause Rewind 10 Seconds Up Next Kana リアス・グレモリー Romaji Riasu Guremorī Profile Race Pure-Blooded Devil Gender Female Age 18 (Vol 1-22) 19 (Vol 22-Present) Nicknames Ria (by both Sirzechs & Zeoticus) Heiress of the House of Gremory Crimson-Haired Ruin Princess Princess of Destruction Princess of Gremory Devil Princess (by both Magari & Nurarihyon) Switch Princess (by Bikou & used in Oppai Dragon) Crimson Bust Princess, Oppai Battery, Oppai Beam (by Azazel) Baka-uple (shared with Issei) Red Dragon Emperor's Legal Wife (by Yasaka and Kunou) Madonna of Kuoh Academy The Demon Princess of Summer (Used in Fantasia Rebuild) Hair Color Crimson Eye Color Blue Blue-Green (Season 1-3) Equipment & Abilities Power of Destruction Crimson Extinct Dragonar Forbidden Invade Balor the Princess Galatine II[1] Personal Status Relatives Runeas Gremory (Ancestor) Unnamed Great-Grandfather Unnamed Great-Grandmother Unnamed Grandfather Chysis Gremory (Grandmother) Zeoticus Gremory (Father) Venelana Gremory (Mother) Sirzechs Lucifer (Older Brother) Millicas Gremory (Nephew) Grayfia Lucifuge (Sister-In-Law) Sairaorg Bael (Cousin) Magdaran Bael (Cousin) Misla Bael (Aunt-In-Law) Unnamed Second Aunt-In-Law Lord Bael (Uncle) Zekram Bael (Ancestor) Affiliations 72 Pillars Gremory Clan (Heiress) Rias Gremory's Peerage (King) Team Rias Gremory (Former Leader) Kuoh Town Territory (Overseer) Kuoh Academy (First-Year College Student) Occult Research Club (Former President) Hyoudou Residence Rookies Four D×D Three Factions (Underworld) Gremory Large Enterprise Heavenly Breasts Japanese Culture Research Society Status Alive Ranking Heiress Ultimate-Class Devil King Voice Actor Yōko Hikasa (Japanese) Jamie Marchi (English) Jeong Sin Wu (Korean) More Ise. I love you…… I love you more than anyone else……… Rias confessing her love for Issei Information Plots Image Gallery Relationships Rias Gremory (リアス・グレモリー, Riasu Guremorī) is the main female protagonist of High School DxD. She is the Gremory Clan's heiress after her oldest brother, Sirzechs, took the position of Lucifer. Rias is the sole daughter and youngest child of Zeoticus and Venelana Gremory, the aunt of Millicas Gremory, and the maternal cousin of Sairaorg and Magdaran Bael. She became known as the Crimson-Haired Ruin Princess, because of the color of her hair and Power of Destruction. Now, Rias is a first-year College Student at Kuoh Academy, the former President of the Occult Research Club, and the school's Number-One Beauty, as well as one of Kuoh Academy's Two Great Ladies alongside Akeno Himejima.