Quillerus is the contemporary Duke of the Karedohart Empire.
He is not only the current King's younger brother but also deeply connected with the High Council composed of the Empire's saints.
His teacher is a member of the Empire's High Council.
His wife is a descendant of another member of the Empire's High Council.
Along with his direct royal lineage, had he not believed himself less capable than his brother and voluntarily renounced his claim to the throne, the current King might not be the one sitting in the palace of the imperial capital.
However, precisely because of his daring and proactive abdication, his relationship with the current King is exceptionally good; though not extremely intimate, it is indeed a relationship where they can confide in each other.
