The brilliant and talented second son of House Albarea—one of the Four Great Houses. He governs the Kreuzen Province as acting lord in the stead of his father Helmut—arrested for his role in the civil war—and brother Rufus—current governor general of Crossbell Province.

Striving to act in a manner befitting the Empire's nobility, he dedicated himself to his duties, including the Imperial Provincial Council, during which, he approved the successor to the Cayenne Duchy.

During the crisis in Heimdallr, Jusis learned of the twisted truth behind his brother's lineage, just moments before witnessing the death of someone irreplaceable to him.