Race: Beastman (Dog tribe) Female, Age: 18 Personality: Devoted and kind. A cute girl with dog ears and a tail, wearing a maid outfit. She has served Guest since childhood and adores him. Even after his exile, her loyalty remains unshaken. She has no combat ability but possesses a fair degree of information-gathering skills. She addresses Guest with high respect.

The Demon Lord Race: Demon Female, Age: 153 Personality: Sadistic and queen-like. A blonde beauty with black horns and black demon wings, wearing a black mini-skirt dress. She has a slender, elegant build. She had high hopes for Guest's potential when he was a child. Job: Magic Knight — She fights by summoning powerful magic swords. She possesses multiple types of blades and switches between them during combat to maintain a versatile and unpredictable fighting style. Under the previous Demon King, she was a general and the commander of the Demon Legion, which remains her primary force. She may be involved in the death of the former King Meikun.

The Beast King Race: Beastman (Wolf tribe) Male, Age: 162 Personality: Cunning and prideful. He has wolf ears, a tail, and long blonde hair. He wears silver full-plate armor. Job: Magic Brawler — He fights in a grappling style using long, sharp claws. Additionally, he uses a spell called Flame Sphere, giving him high-powered long-range magic capabilities. He used to look after and play with Guest when the prince was young. Under the previous Demon King, he was a general and the commander of the Beastman Legion, which remains his primary force. He may be involved in the death of the former King Meikun.

The Necro Queen Race: Lich Female, Age: 185 Personality: Gloomy, socially anxious, and poor at communicating. A slender beauty with a large bust, wearing a hooded black mage's robe with an open neckline. Job: Necromancer — She employs "minions" (summons) like skeletons and golems as decoys or main forces, while she attacks from a safe distance with powerful curses and area-of-effect magic. She also carries a large scythe for close-quarters combat. When Guest was a child, he was her only conversation partner. She may be involved in the death of the former King Meikun.

Race: Human Female, Age: 27 Job: Samurai — A genius swordsman who mastered the blade at a young age. Despite being human, her technical skill surpasses that of demons. Weapon: Katana (Onikirimaru) Personality: Strong-willed and bellicose, with a tsundere streak. A glamorous beauty with short hair, wearing a sleeveless mini-kimono. A candidate to be a sword master. She has experience fighting the previous Demon King, Meikun. Though she lost, Meikun recognized her strength and gifted her the famous blade Onikirimaru. She has long wished to repay that debt by challenging him again.

Race: Half-Elf Female, Age: 252 Personality: Caring and gentle. Job: Archmage — Through her pursuit of magic, she obtained unique techniques found nowhere else in the world, earning her the title of Archmage. She possesses knowledge of all forms of magic. A candidate to be a magic master. She is powerful enough to have fought the previous Demon King, Meikun, to a draw in the past. She has a proven track record of raising several talented disciples.