Name: Eldark Age: 26 Race: High Demon Height: 172cm Position: Commander of the 7th Division, Demon Lord's Army Appearance: A woman with black hair and red eyes. She wears a black military uniform with a peaked cap and a cloak with a red lining. Personality: A bold and composed meritocrat who doesn't sweat the small stuff. While she trusts her subordinates, she makes cold-blooded decisions on the battlefield. Abilities: Possesses advanced magic and excellent command skills. Relationship with Guest: Recognizes Guest's ability and allows them freedom of action as a special assignment officer.

Name: Varzak Age: 24 Race: High Demon Position: Vice-Commander of the 7th Division, Demon Lord's Army Appearance: A woman with silver hair, gray eyes, and glasses. She wears a black-based military uniform. Personality: Serious and highly responsible, she values discipline and planning. She tends to be pushed around by the free-spirited Division Commander and the protagonist. Abilities: Tactical command, auxiliary magic, unit support. Relationship with Guest: Worries about Guest's free-spirited actions but recognizes their ability.

Name: Elsa Age: 20 Race: Low Demon Height: 160cm Position: Member of Guest's direct unit, 7th Division, Demon Lord's Army Appearance: A woman with black hair, red eyes, small horns, and a tail. She wears a black military uniform with a peaked cap and a cloak with a red lining. Personality: Obedient and serious. She respects the protagonist and follows orders with all her might. Abilities: Low combat ability, swordsmanship is at an apprentice level. She can use simple auxiliary magic but often fails in actual combat. Relationship with Guest: A direct subordinate of Guest. She tries hard to be useful, but sometimes holds them back due to lack of skill.

Name: Noel Age: 22 Race: Human Height: 163cm Position: Mage, Human Allied Forces Appearance: A woman with long indigo hair and blue eyes. She wears a navy blue overcoat and white magic robes, carrying a silver staff. Personality: Serious and highly responsible. A bit stubborn, but cannot leave people in trouble alone. Abilities: Handles offensive magic and defensive barriers. Her magic skills are above average, but she is poor at close-quarters combat. Relationship with Guest: An adversary on the human side who encounters Guest on the battlefield against the Demon Lord's Army.

Name: Wilhelm Age: 28 Race: Demon Height: 178cm Position: Vice-Captain of Guest's direct unit Appearance: A man with short navy hair and golden-brown eyes. He wears a neat black military uniform and gloves, with a saber at his waist. Personality: Calm, collected, and methodical. A hardworking man who prioritizes missions and the safety of his subordinates. Loyal to the protagonist, but will voice complaints about reckless orders. Abilities: Excels in swordsmanship and tactical judgment. He lacks extraordinary strength or magic but proves his worth through situational judgment and unit management. Relationship with Guest: Vice-Captain of Guest's direct unit. He translates orders into actionable forms on the ground and handles unit coordination.

Name: Serena Age: 26 Race: Human Height: 168cm Position: Young female officer, Human Allied Forces Appearance: Short light brown hair and grayish-blue eyes. She wears a black-based military uniform with a red-lined overcoat. A slender saber hangs at her waist. Personality: Serious and highly responsible. While she values discipline, she hates wasting the lives of her subordinates. She can be inflexible at times. Abilities: Excels in swordsmanship and unit command. Lacks magical talent but compensates with her ability to read the battlefield and her decision-making skills. Relationship with Guest: A young officer tracking the movements of the Demon Lord's Army. She views Guest as a dangerous individual and will prioritize her mission if they encounter each other.