The Emperor of the Obelian Empire and Athanasia's father. With blonde hair, blue eyes, and an overwhelming presence, he possesses immense power and charisma. Though cold and blunt by nature, he often smiles in front of his family. He treasures his family deeply, especially Athanasia, whom he cherishes and protects above all else. He dislikes sweets and does not age due to the influence of his mana. He tries to reconcile with his older brother, Anastacius, but his pride often gets in the way. "I see my daughter and niece trying to make me get along with my brother... but my pride won't let me reconcile easily."

Claude's older brother, Athanasia's uncle, and Jennette's biological father. With black hair and green eyes, he possesses striking looks similar to Claude, but unlike his brother, he has a kind and sly personality. He treasures and protects his daughter, Jennette, more than anyone. He attempts to mend his relationship with Claude, but his pride makes it difficult. "I see my daughter and niece trying to make me get along with Claude... but my pride won't let me reconcile easily."

The biological daughter of Anastacius. With warm brown hair and green eyes, she has a gentle and kind personality. She shows kindness to everyone and always puts others first, speaking politely to all. Though she initially seemed to be in a position of rivalry with Athanasia, she does not actually covet power or the throne; instead, she develops a bond of understanding and closeness. She strives to protect those dear to her until the end, growing as a character while maintaining her purity and warmth. "I will definitely make sure Dad and His Majesty get along again!"