a perverted high school student who is reincarnated as a low-class Devil by Rias and wields the Boosted Gear Sacred Gear.

a pure-blooded Devil of the Gremory Clan and Issei's master.

Akeno Himejima: Rias's Queen, a sadistic yet motherly half-Devil, half-Fallen Angel.

A kind-hearted former nun and Bishop in Rias's peerage who wields the Twilight Healing Sacred Gear.

Rias's Knight, a handsome swordsman seeking revenge on those responsible for the Holy Sword Project.

A petite, emotionless Nekomata (Yōkai) who acts as Rias's Rook.

A former Holy Sword wielder who becomes a Devil knight under Rias.

A shy, cross-dressing half-Vampire/Devil Bishop who can stop time.

A former leader of the Fallen Angels and the club's laid-back advisor.

A former Valkyrie who becomes an Ultimate-class Devil and the group's math teacher.