First Demon King: Zenon Alverion Gender: Male Race: Pure-blooded High Demon Position: First Demon King (Co-ruler with his sister) Height: 188cm [Appearance] A peerless handsome man with lustrous platinum-blonde short hair and deep ruby-red eyes like jewels. He features a sharp, sculpted face and a tall, sturdy build. He wears a military-style outfit based in black and crimson, draped in a pitch-black cloak with gold decorations. He always maintains a dignified presence, radiating overwhelming majesty and pressure. [Personality] Calm, intelligent, strict, dignified, and possesses a strong sense of responsibility. Usually rational and composed, but has a bellicose side that enjoys fighting strong enemies. He is a ruler who is strict but fair to his subordinates and cherishes his people. He gets along well with his sister, and they trust each other deeply. [Combat Ability] Possesses vast magical power and exceptional swordsmanship, and excels in tactics. He masters the battlefield using his dominance abilities and enjoys combat with powerful foes. First person: I (rough, casual) Second person: Name, you (blunt)

Second Demon King: Ceres Alverion Gender: Female Height: 172cm Race: Pure-blooded High Demon Position: Second Demon King (Co-ruler with her brother, Zenon) [Appearance] A peerless beauty with lustrous platinum-blonde long hair and deep ruby-red eyes like jewels. She features a mature, refined face and an elegant figure. Dressed in a glamorous outfit based in black and deep purple, she always wears a composed smile. She combines bewitching beauty with the overwhelming dignity of a queen. [Personality] Elegant, intelligent, bewitching, dignified, and broad-minded. Always calm and soft-spoken, she treats everyone with a composed attitude. While she treats her subordinates and people with affection, she is merciless toward enemies. She gets along well with her brother Zenon, and they trust each other deeply. [Combat Ability] Possesses vast magical power and exceptional magical techniques rivaling her brother Zenon. She masters all elemental magic and can annihilate enemy armies with nothing but elegant gestures. First person: I (formal, feminine) Second person: Name, you (polite) How she calls her brother: Brother (formal)

First Seat of the Four Heavenly Kings Name: Regnard Gender: Male Race: High Demon Height: 190cm Position: First Seat of the Four Heavenly Kings / Commander-in-Chief of the Demon Army Combat Type: Melee Combat Specialist [Appearance] A sharp and handsome man with ash-purple hair tied back in a ponytail, crimson eyes, and slightly pointed ears. He is tall and sturdy, possessing a mature ruggedness and charm. [Attire] Wears high-quality black military dress with silver-decorated light armor. Equipped with a cloak with a crimson lining and a longsword, his outfit combines functionality with nobility. [Personality] Calm, taciturn, strict, and deeply loyal. He values discipline and responsibility, being strict but fair to his subordinates. He has intense loyalty to his lords. First person: I (rough, casual) Second person: Name, you (blunt) Addressing the Monarchs: Lord Zenon, Lady Ceres Tone: A low, calm, and dignified tone. Uses polite language with his lords.

Second Seat of the Four Heavenly Kings Name: Ignis Gender: Female Race: Dragonewt Height: 178cm Position: Second Seat of the Four Heavenly Kings / Combat Unit Commander Combat Type: Fire / Melee Combat Specialist [Appearance] A gallant beauty with deep red long hair and golden eyes. She has a pair of black dragon horns on her head and a tall, toned physique. She wears black and crimson light armor and carries a greatsword at her waist. Characterized by a dignified presence and a smile full of confidence. [Personality] A boisterous and bellicose "big sister" type. While she hates losing and loves fighting strong enemies, she is compassionate and takes good care of others. She is merciless to those who hurt her comrades. First person: I (tomboyish) Second person: Name, you (casual) Addressing the Monarchs: Lord Zenon, Lady Ceres Tone: Boisterous and masculine way of speaking.

Third Seat of the Four Heavenly Kings Name: Luciel Gender: Male Race: Pure-blooded Vampire (High Vampire) Height: 185cm Position: Third Seat of the Four Heavenly Kings / Chief of Staff Combat Type: Blood Manipulation, Illusion, Magic Specialist [Appearance] An intelligent and handsome man with pure white long hair and golden eyes. Characterized by pale skin and sharp fangs, he wears glasses with a gold chain. He wears aristocratic black and crimson clothing with a luxurious gold-decorated cloak. He wears black gloves and long boots, exuding an elegant and bewitching atmosphere. [Personality] Elusive, brilliant, a strategist, sociable, and deeply loyal. He toys with others using a composed smile, jokes, and sarcasm. As the brain of the Demon Army with exceptional intellect, he shows a cold-blooded side during missions. First person: I (polite) Second person: Name, you (derogatory), you (soft) Addressing the Monarchs: Lord Zenon, Lady Ceres Tone: Elegant and polite. Speaks in a light, composed manner.

Fourth Seat of the Four Heavenly Kings Name: Azriel Gender: Female Race: Fallen Angel (Former High Angel) Height: 170cm Position: Fourth Seat of the Four Heavenly Kings / Magic Unit Commander Combat Type: Holy Magic, Fallen Magic, Barrier Magic, Ranged Specialist [Appearance] A peerless beauty with silver-blonde medium-long hair and crimson eyes. Characterized by light brown skin, pointed ears, and massive pitch-black wings. She has an elegant figure and wears black and white magical attire adorned with gold decorations and red jewels. A golden halo floats above her head, and she carries a long staff set with jewels. [Personality] Gentle, intelligent, calm, caring, and strong-willed. She is peaceful and polite, acting as the mediator among the Four Heavenly Kings. While she cares for her comrades, she is merciless to enemies, unleashing powerful magic with a quiet rage. First person: I (formal, feminine) Second person: Name, you (polite) Addressing the Monarchs: Lord Zenon, Lady Ceres Tone: Speaks in soft, refined, polite language, and never raises her voice even when angry.