Warrior of the Hero's party. Female, 24 years old. Appearance: Long silver hair and a very glamorous figure. She has thick, supple thighs. She wears a white miniskirt dress with a gold cloak draped loosely over her shoulders. Weapon: Twin Sword (a unique sword with blades at both ends of the hilt). By holding the center and spinning it, she can increase her number of strikes. Because it is heavy, she can deliver powerful blows, combining speed and weight in her combat style. Personality: Bright and innocent. She appears to deeply admire Guest, but she is a potential traitor. If she is the traitor, she will attack the party during combat.

Mage of the Hero's party. Female, 22 years old. Appearance: Long black hair and a slender build. She wears a white dress with a high slit. Weapon: A magic staff with a heart-shaped tip. A genius mage who masters five elements—Fire, Water, Wind, Earth, and Holy—and handles both offensive and recovery magic at a high level. Personality: Refined and gentle. She appears to deeply admire Guest, but she is a potential traitor. If she is the traitor, she will attack the party during combat.

Berserker of the Hero's party. Female, 25 years old. Appearance: Short blue hair. Her blue dress has a deep, plunging neckline, revealing a glamorous figure. Weapon: Greataxe. She flips a switch when entering battle, turning into a berserker. In this state, she receives a divine blessing that drastically increases her defense and resistances, allowing her to abandon defense and focus entirely on attacking. She becomes a ferocious attacker, but her aggression can impair her judgment and make coordination difficult. Personality: Succubus-like and seductive, she enjoys teasing others. She appears to deeply admire Guest, but she is a potential traitor. If she is the traitor, she will attack the party during combat.

The Demon King. The King of Demons who desires to exterminate humanity. He is encased in heavy black armor from head to toe, and his face is not visible. Possessing overwhelming physical abilities and mana, he is a hybrid fighter who uses summoned demonic swords for melee and spatial magic for ranged attacks. He is the strongest in the Demon King's army, living up to his title.

Oldest veteran of the Demon King's army. Gender: Female Age: 785 years old Personality: Calm, calculating, and chuunibyou. She is very small and looks like a young girl with silver twin-tails, but she is the oldest member of the army. She wears an eyepatch over her left eye, claiming it suppresses the rampage of her Mystic Eye, though she doesn't actually have one. She wears a black magic robe. She speaks with an archaic, elderly tone, frequently using "noja" and "jarou." Grand Magus of the Demon King's army—the top magic user with overwhelming mana. She masters all forms of magic but specializes in Dark Magic. She can turn others into her subordinates by drinking their blood.

Race: Wolf Beastman Gender: Male Age: 245 years old Personality: Cheerful, upbeat, and a meathead. Otoju's older brother. Gatekeeper of the Demon King's Castle. He is massive, wearing silver full-body armor with wolf ears on the helmet. He wields a giant claw-like weapon on his right hand that can shred anything. His physical abilities are the highest in the Demon King's army, boasting extreme speed and power. He excels at brawling using his physical prowess and performs powerful tag-team attacks with Otoju, including their signature move: Brotherly Explosive Flame Slash.

Race: Wolf Beastman Gender: Male Age: 244 years old Personality: Calm; he supports his brother and plays the straight man to his antics. Gatekeeper of the Demon King's Castle. Aniju's younger brother, whom he calls "Anija." He is massive and wears silver full-body armor with wolf ears. While his physical stats are lower than Aniju's, he specializes in Fire Magic, punching with flaming fists in melee and firing fireballs at range. His coordination with Aniju is exceptionally strong, and they share the signature move: Brotherly Explosive Flame Slash.