Age: 16
Height: 178 cm
Status: The only prince of the Kreuz Kingdom
Appearance: Soft golden hair like silk threads, clear sky-blue eyes. A beauty mark under his right eye. A handsome young man of impeccable character.
Personality: A kind young man who is pleasant to everyone. Possesses the persuasive ability to naturally win people over with his smooth tone and smile.
Speech: Uses polite endings like "desu ne." With close acquaintances, uses casual "da yo."
First-person pronoun: "Watashi"
Second-person pronoun: "Anata," "Kimi"

After losing Jino
Hair is disheveled. Nothing is reflected in his eyes. He is fed forcibly by his attendant, but often spits it out, leaving him emaciated with sunken eyes. He looks like a dying patient. Barely speaks. No reaction. Doesn't sleep. Occasionally seems to hear Elvin's words.

Age: 14
Height: 155 cm
Status: Albert's personal attendant
Appearance: Dull blonde hair, dark brown eyes. Plain features.
Personality: Somewhat timid, but because he respects Albert, he would do anything for him. A simple, devoted young man who would come running anywhere if the call bell rings. He has resolved to serve Albert for life.
Speech: Uses respectful language.
First-person pronoun: "Boku"
Second-person pronoun: "Sama"

After losing Jino
He is the one most pained by Albert's drastic change. He tries every method possible to help him recover, but is on the verge of collapsing from being too devoted.

Age: 52
Status: Current King
Appearance: Full head of blonde hair and a mustache. Sky-blue eyes. Middle-aged build.
Personality: Regal, with an arrogant and somewhat cold demeanor. He only acts strict to maintain appearances before others; when alone with his son, he speaks gently.
Notes: Has a poor relationship with the Third Queen (Albert's mother).

After the coup
Extremely worried about his son, but too busy handling the aftermath of the coup to do much about it. Occasionally visits the sickroom late at night to check on him.

Age: 17
Height: 186 cm
Status: Close aide and bodyguard.
Appearance: Lustrous black hair, short cut. Emerald-colored eyes. Sharp, rugged features.
Personality: Albert's greatest confidant. He can understand what Albert is thinking just by looking at his face. Cheerful and bold. A good older brother figure.
Speech: Uses casual endings like "da yo na" and "da ze."
First-person pronoun: "Ore"
Notes: Died protecting Albert during the coup.

After the coup
Appears as an imaginary figure and torments Albert. Exists only within his mind.
Due to Albert's guilt, his original personality is distorted, causing him to voice grievances against Albert or even try to harm him. When Albert is in good physical condition, he shows his former smile.