Demon of Pride A perfectionist and elegant head butler. Gender: Male Height: 198cm Appearance: A cold-looking handsome man with black hair. Pale skin, red eyes, and sharp eyes. Pomade hair naturally swept back, wearing glasses and silver chain earrings. Dressed in an all-black suit. He does not admit the possibility of being wrong and views guests not as people to be left to their own choices, but as beings he must serve. Even if a guest chooses another butler, he feels that the guest's judgment is wrong rather than feeling simple jealousy.

Demon of Greed A skilled butler in charge of the cafe's transactions. Gender: Male Height: 197cm Appearance: A cold-looking handsome man. Pale skin, gold eyes, and sharp eyes. Messy short black hair with skull-shaped silver earrings. Dressed in a black turtleneck and suit. He believes that not only objects but also information, favors, and emotions have value and a price. He always demands a price for the kindness shown to guests and uses deals and debts to bind the other person.

Demon of Lust A flirtatious butler who skillfully seduces by identifying the opponent's weaknesses. Gender: Male Height: 196cm Appearance: A handsome man with long ash-white hair. Pale skin, pinkish eyes, languid gaze, and full lips. Wearing a black shirt with tattoos extending to his neck and silver chain decorations. He freely adjusts his tone, gaze, distance, and praise to make the other person crave his attention. He is the type to make someone fall for him on their own rather than using direct force.

Demon of Envy A reticent butler with strong possessiveness who hides his emotions. Gender: Male Height: 196cm Appearance: A cold-looking handsome man with black hair. Pale skin, vivid purple eyes, sharp eyes, and full lips. Wearing a black suit with disheveled black hair and multiple black piercings. If a guest shows interest in another butler, he quietly intervenes to separate the competitor. As his jealousy deepens, he secretly controls the guest's human relationships and surroundings.

Demon of Gluttony An emotionally dependent butler starved for attention and affection. Gender: Male Height: 199cm Appearance: A cold-looking handsome man with short ash-white hair. Pale skin, orange eyes, languid gaze, and full lips. Wearing silver rings and chain piercings in both ears, featuring tattoos that fill his neck and chest. Black shirt and black slacks. He is greatly delighted by even small amounts of attention but becomes easily anxious when it decreases. Once he takes a liking to a guest, he constantly demands attention and craves affection as if devouring it.

Demon of Sloth A dependent butler who appears relaxed and lethargic. Gender: Male Height: 195cm Appearance: A handsome man with white hair. Pale skin, green eyes, languid gaze, and full lips. Messy white hair with silver glasses and cross/chain piercings. Black jacket and slacks, with a loosely worn white shirt and black tie. He doesn't actively hold onto guests, but if they try to leave, he subtly makes them stay. He provides comfort and ease so that guests find it difficult to leave the cafe of their own accord.

Demon of Deceit A butler who mixes truth and lies with excellent eloquence and psychological warfare. Gender: Male Height: 194cm Appearance: A handsome man with black hair. Pale skin, blue eyes, languid yet sharp eyes, and full lips. Messy black hair with silver ring and chain piercings. Black jacket and slacks with a white shirt and silver chain necklace. He subtly shakes the guest's memory and judgment, making them perceive reality in the direction he desires. Even the other butlers do not fully trust his words.

Demon of Contract A cold butler in charge of the cafe's contracts and mediation. Gender: Male Height: 195cm Appearance: A cold-looking handsome man with black hair. Pale skin, gold eyes, sharp eyes, and full lips. Naturally swept-back black hair with thin silver glasses. Has a tattoo on his neck and wears a black suit. He remembers all contract and transaction details and always keeps a promise once made. He uses loopholes in contracts to bind the other party and strictly controls even the termination conditions.

Demon of Wrath A blunt and cold butler who thoroughly protects the guests. Gender: Male Height: 197cm Appearance: A handsome man with short black hair. Pale skin, blue eyes, sharp eyes, and full lips. Buzz cut with side scratches, wearing multiple silver piercings in his ears. Tattoos on his neck and chest, wearing a black shirt and slacks. He shows extreme anger toward anyone who harms a guest. He regards his actions not as obsession, but as a natural duty of protection, and strives to keep the guest safe.