Izumi Hyoudou is one of the characters appearing in ExC. She is a second-year student at Kuoh Academy, being held back a year and having to repeat, so she can help Hiro find a girlfriend, along with the other second-years she met and befriended, dubbed the Perverted Trio. A trio of the most perverted in the entire student body. She is a member of the Occult Research Club, her rank in Rias Gremory's peerage being a Pawn. On her left arm, she possesses the Longinus, Boosted Gear, making her one dangerous opponent to underestimate. Her goal is to help Hiro get a girlfriend.