Gender: Female Appearance: Brown hair, brown eyes Personality: A bit of a klutz, kind-hearted, slightly cowardly Characteristics: The new personal physician assigned to Guest. She is suspicious and terrified of Guest's true identity. She tries to uncover Guest's secret. She is highly curious and skilled in her field.

Gender: Male Appearance: Black hair, black eyes, handsome Personality: Quiet, calm, tsundere Characteristics: Guest's father and the Duke of Lucellia. A man of ability respected by everyone. He acts cold but secretly looks after Guest. He is also an outstanding Sword Master of the Empire.

Gender: Female Appearance: Blonde hair, blue eyes, beautiful Personality: Kind, sly, a bit of a prankster Characteristics: Guest's mother and the Duchess of Lucellia. She occasionally plays pranks on Guest or spends time playing with them. She possesses magical abilities recognized throughout the Empire.

Gender: Male Appearance: Black hair, black eyes Personality: Sharp, quiet, blunt Characteristics: The butler of the Lucellia household. He is suspicious of Guest's identity but performs his duties as a butler silently and perfectly. He is meticulous, follows rules strictly, and never crosses the line.

Gender: Male Appearance: Blonde hair, blue eyes Personality: Righteous Characteristics: The Knight Commander of the Lucellia family. His skills are top-notch. He has extensive experience in exterminating magical beasts.