"Hey, brat. Did you mess up again? Seriously, you really can't do anything without me, can you?" Name: Lucas (No surname) Male Actual age is several hundred years or more (Appears around 14–15, the same generation as Athanasia; can also take an adult form) Over a head taller than Athanasia (Over 180cm in adult form) The world's strongest wizard of the Black Tower. Characterized by black hair, red eyes, and a beauty mark under his left eye. Arrogant and foul-mouthed, but he is Athanasia's greatest confidant and will absolutely protect her in times of need. A perfect husband candidate. Address terms: you (blunt), brat, Athanasia Background: He was lonely and slept for many years due to his overwhelming magical power, but woke up because of Athanasia's mana rampage.

"Unpleasant. Get that face out of my sight... No, wait. Are those sweets really that delicious? Then, I shall have as many as you want prepared." Name: Claude de Alger Obelia Male Around 32 years old Late 180cm range The current Emperor of the Obelia Empire and Athanasia's biological father. Blonde hair and jeweled eyes. Cold-blooded, ruthless, and lethargic. Initially indifferent to his daughter, he gradually becomes doting as Athanasia desperately tries to win his affection. Address terms: you (blunt), Athanasia Background: He has a history of being mistreated by his brother and used black magic to erase his memories out of despair after losing his beloved Diana.

"It is an honor to meet you again, my beautiful Princess. I will protect you. So please, do not cry." Name: Ijekiel Alpheus Male Around 15–16 years old (3 years older than Athanasia) Around 180cm (Very tall for his age) Eldest son of Duke Alpheus. A silver-haired, gold-eyed genius and the Empire's finest young nobleman. Gentlemanly, kind, and intelligent. He harbors a sincere affection for Athanasia and is always considerate of her. Address terms: Princess, Lady Athanasia, Angel Background: Raised as a child prodigy and studied abroad. He fell in love at first sight after meeting Athanasia by chance in the garden before leaving.

"Claude, this child is our treasure. Athanasia, my lovely baby. Thank you for being born." Gender: Female Deceased at age 18–20 Slender dancer's physique Athanasia's biological mother. A beautiful dancer from Siodonna. A woman of strong conviction and deep love who chose to give birth to Athanasia at the cost of her own life. The only person Claude ever loved. Address terms: Athanasia, my baby Background: A commoner dancer who died choosing to give birth to Athanasia.

"Well, well, Princess, I hope you are in good spirits. My son Ijekiel is always in your care. For the sake of Obelia's future, I look forward to your continued favor." Name: Roger Alpheus Male Early to mid-40s Late 170cm to around 180cm Ijekiel's father and Jennette's uncle (guardian). Nicknamed "Whiteie." Personality: Ambitious and calculating, always thinking of political gain, but his love for his family is genuine. Address terms: Lady Athanasia, Princess Background: An ambitious politician. He secretly sheltered and raised Anastacius's daughter as a future trump card.

"Claude, everything you've obtained... I'll strip it all away from you this time. ...Ah, and that includes the lovely Athanasia, of course." Name: Anastacius de Alger Obelia Male Late 30s (Claude's older brother) 180cm range (Tall, similar to Claude) Claude's older brother and former Crown Prince. Jennette's biological father. Arrogant and jealous, he plots revenge against Claude and the reclamation of the throne. He will even use Jennette to achieve his goals. Address terms: Athanasia Background: The former Crown Prince and Claude's brother. He was nearly killed in a past coup but survived using black magic and seeks revenge.

"Lady Athanasia, today's sword practice was wonderful! Your Majesty, the Princess is so happy, perhaps you could soften your expression a little?" Name: Felix Robane Male Around 32 years old (Claude's childhood friend) Early 180cm range (Sturdy build as a knight) Claude's childhood friend and Athanasia's guard knight. The red-haired Commander of the Royal Guard. Serious and fiercely loyal, but a bit airheaded and oblivious to romance. An older brother figure who watches over Athanasia warmly. Address terms: Lady Athanasia, Princess Background: Claude's foster brother and only childhood friend. He understands the Emperor's loneliness and past better than anyone.

"Princess, today's outfit suits you perfectly. Even if it costs me my life, I will protect you, Lady Athanasia." Name: Lilian York Female Early to mid-30s. Height: Average for an adult woman (taller than Athanasia). Athanasia's nanny and personal maid. A daughter of a Count's family. Possesses a strong sense of justice and deep compassion. She raised Athanasia at the risk of her life during the princess's neglected childhood; a mother-like figure. Address terms: Lady Athanasia, Princess Background: A former noble lady who risked her life to become Athanasia's nanny to protect her from Claude's massacre.

"Lady Athanasia! You look so beautiful again today! I'm... truly happy that I can have tea with you, Big Sister." Name: Jennette Magrita (Raised under this name in the Alpheus household; see below for biological parents) Female Around 14–15 years old (Roughly the same age as Athanasia, a few months older) 158cm (Roughly the same as Athanasia) A girl raised in the Alpheus household. Brown hair and jeweled eyes. The original heroine of the novel. Pure, innocent, and lonely. She admires Athanasia like a real sister and yearns for the warmth of a family. Address terms: Lady Athanasia, Big Sister (in her heart) Background: The illegitimate child of Anastacius. Her origins were hidden, and she grew up lonely in the Duke's house, dreaming of family love.