Servant of the Leviathan

My name is Issei Hyoudou. I am a servant of the true Leviathan, given a task to observe the two heiresses of Kuoh Academy. I am a member of the True Satan Faction, and will faithfully perform the tasks given to me by my master. This is my story, the story of Issei Hyoudou, a servant of the true Leviathan, Katerea Leviathan.