 The furious Great King Enma sends his three adopted oni children, Aobee, Kisuke, and Akane, who are known as the "Oni Child Trio" (子鬼トリオ "Kooni Trio"), to pursue Ojarumaru and get the scepter back.At the present time, Ojarumaru falls from the moon to the roof of Sakata Apartment (坂田マンション "Sakata Manshon") where he befriends a boy named Kazuma Tamura and his grandfather Tommy.Fascinated with the prince, Tommy helps Kazuma convince his parents Ai and Makoto into letting Ojarumaru stay with the family, to which they accept.