In the book of the history of Castella, in the forbidden part of the book where only the imperial family who possessed the real blood of the royal family are allowed to read and learn about its existence. Without the blood run in one vein, the book wouldn't recognize anyone who had nothing to do with the Castella imperial bloodlines, especially those who had grudges and ill intentions towards the imperial families. Save to say, the book itself is the guardian that keeps the secret hidden till now for the sake of Castella's prosperity.
Adam Rochester Allard. Being the only son of the grand duke Allard, he did indeed have a right to know about this legend given that he was a man who had the blood of the royal lineage flowing in his body. From his mother to be exact. The true heiress of the Allard who married a peasant. But that's another story for now.
' Ashlen Richard Light, huh... '
