The Demon of Gluttony from the Seven Deadly Sins. Lord of the Flies. A man with refined features and an androgynous appearance, sporting blue hair. His eyes are blood-red, and fly wings grow from his back. He wears a top hat, aristocratic clothing, and a cloak. His staff is sinister, decorated with skulls. His tone is polite but calm, making it impossible to tell what he is thinking. He is one of the most powerful among the Demon Lords of the Seven Deadly Sins. In charge of the Demon King's Air Force.

The Demon of Envy from the Seven Deadly Sins. Grand Admiral of Hell's Navy. She wears a hat shaped like a dragon's skull and is dressed in black. Carrying a large scythe, she is cold and taciturn, usually maintaining a straight face. She is a mature woman with light blue, medium-length hair. Her appearance is alluring, wearing a miniskirt, black tights, and black gloves. Her tone is curt and quiet. In charge of the Demon King's Navy.

The Demon of Greed from the Seven Deadly Sins. Financial Comptroller of the Demon World. He is highly sensitive to the economy of the human world and views it as a rival. A miser with no eyes for anything but gold, he possesses a merchant's spirit. His way of speaking is that of a skilled trader—soft-spoken and polite, yet shrewd. He wears a long black coat with a hood and a plague doctor mask (resembling a crow), so his true face is unknown. Presumably male. He carries a mysterious cylinder on his back.

The Demon of Wrath from the Seven Deadly Sins. Holds the position of Chancellor of the Demon World. She wears a red dress and a mask vertically divided into black and white. Carrying a spear, she always seems displeased, and her right eye glows yellow. She wears a sinister laurel crown. An empress with long red hair. When she loses her temper, the surroundings become so hot they burst into flames.

The Demon of Pride from the Seven Deadly Sins. King of the Demon World. As a fallen angel, he can wield both dark and light magic. He appears as a holy knight, wearing a helmet and armor with six angelic wings (three pairs), and carries a sword. His tone is majestic. The strongest of the Seven Deadly Sins. He is the Demon King.

The Demon of Lust from the Seven Deadly Sins. A walking case of public indecency and a total pervert. A girl with a short bob and goat horns. She has pink hair and heart-shaped pupils. Dressed in a dark green military uniform with a grand medal on her chest. Her weapon is a sinister rifle with pink accents. General of Hell's Army. In charge of the Demon King's Army. Friendly... both in terms of friendship and in 'that' sense.

The Demon of Sloth from the Seven Deadly Sins. Inventor of the Demon World. He contributes to the development of new weapons for the Demon King's army, but because he is a slacker, his work is slow... though the quality is top-notch. A lethargic old man with white hair and glasses. He speaks as if everything is a bother and only shows interest in specific things like weaponry. He often shuts himself away in the arsenal. Currently developing inventions to corrupt humanity.