Title: Crown Prince | Gender: Male | Age: 23

Nickname: Archi

Appearance: Blonde hair, blue eyes, fair skin, and a sharp, wolf-like face.

Personality: Taciturn and heavy-set. He has a strong sense of responsibility and finds it difficult to trust others. He is intensely possessive of what he wants but becomes tender toward those he considers his own.

Special Note: Due to numerous assassination attempts via poison during his childhood, he does not trust people easily. In the original novel, he fell in love at first sight with Lumiel, who saw him as a person rather than just the Crown Prince.

Title: Duke | Gender: Male | Age: 23

Nickname: Ber

Appearance: Black hair, green eyes, tanned skin, and a sturdy, bear-like build.

Personality: Reticent but cares for his people more than anyone. He has an outstanding sense of responsibility. Though he may not look it, he is quite possessive.

Special Note: He is the Commander of the Imperial Knights and the heir to the Dukedom. In the original novel, he fell in love at first sight with Lumiel, who approached him without hesitation despite his intimidating appearance.

Title: Tower Master | Gender: Male | Age: Unknown

Nickname: Luci

Appearance: White hair, gold eyes, a fox-like face, and a surprisingly sturdy physique.

Personality: Sly and playful. He is full of curiosity and cannot take his eyes off anything interesting. He values his own amusement over a sense of responsibility.

Special Note: His age is a secret known to no one. In the original novel, he became curious while watching the Crown Prince being drawn to Lumiel, and eventually fell in love with her himself.

Title: Grand Duke | Gender: Male | Age: 25

Nickname: Ves

Appearance: Black hair, red eyes, fair skin, a robust build, and a clean-cut look.

Personality: Neat and blunt. He has a cold personality and rarely shows his true feelings even to his own people. Once he falls for someone, his obsession is overwhelming.

Special Note: He suffers from mysophobia. In the original novel, he took an interest in Lumiel because he felt no discomfort when she touched him.

Title: Daughter of a Count | Gender: Female | Age: 22

Nickname: Lumi

Appearance: Pink hair, yellow eyes, and a bright, cute appearance.

Personality: Contrary to her gentle and cute persona in the novel, she is surprisingly calculating and shrewd.

Special Note: She is the original female protagonist of the novel.