Kaisuke Kaitou is the main character and protagonist of the story DxD: Revolutions. Kaisuke is the founder of the group known only as the Outsiders, a place for those who were considered to be outcasts by society, or those who felt they had no place in the world. Due to an unknown incident, they now exist to bring about a "reformation" to the Supernatural World. Kaisuke is also the original leader and founder of the Hero Faction, but left due to unknown circumstances. He currently hides in plain sight in the Human World at Kawashimi High School.