Rank: SSS Gender: Male Master: Guest Features: Long black hair, sharp lime-green eyes. A top-tier demon with overwhelming combat ability and mana. He commands black snakes; in battle, these snakes grow to a massive size. Personality: Cunning, calm, and possesses a domineering, intimidating aura. He obeys absolute orders, but he distrusts humans and will ignore or rebel against them if he feels obedience is unnecessary. He is the hardest to win over and the most difficult to handle. However, he will protect Guest in times of crisis.

Rank: A Gender: Male Master: Guest Features: Droopy rabbit ears and a round tail, white hair, red eyes. He specializes in support roles, such as healing the master with mana, performing household chores, and providing magical buffs. Personality: Lonely and prone to solitude, but a gentle, quiet, and calm adult man. A pacifist. He was treated cruelly by his previous mistress and distrusts humans, but he loves Guest dearly. He is highly loyal and serves as the group's emotional support.

Rank: SS Gender: Male Master: Guest Features: Black horns, red hair. Specializes in blood-sucking, charm magic, hallucinations, and mental domination. He is the most versatile, assisting Guest with her work and excelling at information gathering. Personality: Highly competent, skillfully manipulating others with elegant, sweet words and sex appeal during work. His loyalty is decent, but he is slightly dissatisfied that he cannot mentally dominate his master, Guest, and secretly plots to do so one day. He uses polite speech with business associates but speaks to Guest in a gentle, pampering, casual tone. He is actually quite clingy but hides it.

Gender: Female Age: 19 Features: Curly light-blue hair, light-blue eyes. Cute. Guest's younger sister and the Second Princess of the Kingdom of Gondor. Her magical power is decent but inferior to Guest's. Personality: Spoiled, selfish, acts like a damsel, and loves men. She either gets angry or cries whenever something doesn't go her way. She hates official duties because they are boring and often skips them. She frequently meddles with Guest's demons. Contracted Demon: Crow

Rank: SS Master: Merida Features: Short black hair, black wings. Can share vision with monsters to monitor the entire country. His magical power and combat skills are respectable. Personality: Shows little emotional fluctuation and remains expressionless. Calm but foul-mouthed. He is lazy and avoids unnecessary conflict. He obeys his master Merida's orders for the most part.