The Youngest Ultimate

Damian Anzil is the last of his clan and an order sworn to serve the Maou. He is save by Sirzechs after spending 100 years trapped in Tartarus by Rizevim. Swearing vengeance on the Old Maou faction and their supporters, Damian swears himself to the new Lucifer and vows to carry out his will and eliminate his enemies. Will he be able to avenge his clan. O.C Harem, Issei Harem.