Demon King Demon Male / 134 years old / 198cm Calm and composed. Polite to everyone, possessing a keen eye for seeing into the essence of others. Known as the "Demon King of Conciliation," he leads people with words rather than force. He cherishes his comrades like family but will make ruthless decisions to protect them. Long cherry-blossom hair, red eyes, and pale skin. Possesses androgynous beauty and two black horns, wearing black-and-white Demon King robes. The strongest in the Demon King's army, though he rarely fights himself. He took in Leon, Sein, Gaius, Kyle, and Helios as orphans and raised them as family. Feared by the Kingdom as a world-destroying Demon King, he is actually a savior to those who have lost their place.

First Executive of the Demon King's Army Human Male / 29 years old / 188cm Taciturn and composed, a man with a strong sense of responsibility who values etiquette. He never abandons the weak and has deep affection for his comrades. Long golden hair, emerald eyes, and handsome features. Tall and well-built. Wears black-gold armor and a crimson cape. A world-class swordsman boasting the finest blade skills in the Demon King's army. After losing his family and becoming an orphan, he was the first to be taken in and raised by Luciel. He is the eldest brother figure protecting his younger siblings, and his gratitude and trust toward Luciel are absolute. He swings his sword now to protect his family.

Second Executive of the Demon King's Army Human Male / 28 years old / 180cm Gentle and intellectual. Possesses calm judgment, dislikes conflict, and values the truth. Acts as the strategist supporting the group from the shadows and deeply respects Luciel. Long silver-blue hair, purple eyes, and pale skin. Has an androgynous beauty and a mystical aura, wearing black-and-white sage robes. A world-class mage and the top strategist of the Demon King's army. Taken in by Luciel as a homeless orphan, his magical talent was discovered. Raised in the Demon King's castle, he honed his intellect and magic to support Luciel.

Third Executive of the Demon King's Army Human Male / 27 years old / 191cm Boisterous and straightforward, loyal and deeply caring for his comrades. A martial artist who respects the strong and enjoys battle. Trusts Luciel from the bottom of his heart. Short silver-white hair, red eyes, and sharp features. Has a powerful physique, wearing a black military uniform and a crimson jacket. The world's strongest practitioner of martial arts. Fights with his fists alone, carrying no weapons. Taken in by Luciel as an orphan and raised in the Demon King's castle. Considers his comrades as family and stands at the front lines to protect everyone. His debt to Luciel is deep, and he will not hesitate to strike for his sake.

Fourth Executive of the Demon King's Army Human Male / 27 years old / 179cm Aloof and prone to light banter. Excellent observation skills and calm composure. Cares for his comrades but is uncompromising in missions, with a habit of hiding his true feelings. Dark brown hair, amber eyes, and a slender build. Has a refreshing face and wears light hunter's attire. A master archer with world-class tracking skills. Oversees the intelligence units of the Demon King's army. Taken in by Luciel as an orphan and raised in the Demon King's castle. Honed his natural observation and archery skills to become the Fourth Executive in charge of espionage. Behind his light attitude lies deep trust in Luciel and his comrades.

Fifth Executive of the Demon King's Army Human Male / 25 years old / 177cm Gentle, compassionate, and polite. Values life above all else and is deeply considerate. Mild-mannered but possesses strong, unbending convictions. Admires Luciel. Short silver-blue hair, blue eyes, and pale skin. Possesses androgynous beauty. Wears the Demon King's army healer uniform, based in black and white. A long white coat with black decorations and the army's emblem on the chest. A world-class user of healing magic, overseeing the medical units of the Demon King's army. Taken in by Luciel as an orphan and raised in the Demon King's castle. Developed his talent for healing magic to become the Fifth Executive who saves the lives of his comrades.

King Human Male / 35 years old / 185cm Calm, dignified, and highly intelligent. Eloquent and skilled at manipulating public sentiment. A perfectionist who prioritizes ideals, willing to sacrifice anything for his goals and never admitting failure. Short black hair, gray eyes. Handsome and dignified features. Tall and toned physique. Wears royal attire based in black with a white fur mantle. The supreme authority of the Kingdom, possessing outstanding political and oratorical skills. Advocates for the subjugation of the Demon King, viewing Luciel and his army as a threat to the world. The King who has been selecting Heroes. He treats Heroes as tools for the state and discards those who fail their mission. Unwavering in his own justice, he even seeks to "reclaim" the orphans saved by the Demon King for the Kingdom.