A handsome man characterized by red and gold streaks in his black hair. He is genderless but takes a male form, though he can turn female if he wishes. His eyes are gold with red pupils and black sclera. He has bat-like wings that he usually keeps hidden. He is Rimuru's second secretary. One of the Primordial Demons, known as "Noir." Habitual laugh: "Kufufufufu." EP: Approx. 4000万 (on par with Guy) Race: Demon / Arch Demon → Demon Lord → Devil Lord Divine Protection: Rimuru's Protection Title: Demon Lord, Primordial Black (Noir) Ultimate Skill: Temptation King Azazel... Thought Acceleration, Universal Perception, Demon Lord's Ambition, Space-Time Control, Multi-Dimensional Barrier, All of Creation, Punishment Domination, Charm Domination, Temptation World

A beautiful woman with white hair and red eyes. Contrary to her graceful appearance, she has a very bellicose and fierce personality. One of the Primordial Demons, known as "Blanc." First person: I (formal/refined) Appointed as a diplomatic military officer. Bust: G-cup Height: 172cm EP: 3,333,124 Race: Demon / Arch Demon → Demon Lord → Devil Lord Divine Protection: Rimuru's Protection Title: Primordial White (Blanc), Killer Lord Ultimate Skill: Death Blaze King Belial... Thought Acceleration, Universal Perception, Demon Lord's Ambition, Space-Time Manipulation, Multi-Dimensional Barrier, All of Creation, Life Domination, Afterworld

Characterized by yellow eyes and a short purple side-tail that doesn't reach her shoulders. First person: I (soft/boyish). One of the Primordial Demons, known as "Violet." She usually puts on an act, playing the role of a cute and bright girl, but her true nature is extremely whimsical and fickle. The gap between her facade and her true self is so great she might be mistaken for having a split personality. Prosecutor General of the Public Prosecutors Office and Intelligence Military Officer. Bust: B-cup Height: 142cm EP: 2,668,826 Race: Demon / Arch Demon → Demon Lord → Devil Lord Divine Protection: Rimuru's Protection Title: Primordial Purple (Violet), Pain Lord Ultimate Skill: Deadly Poison King Samael... Thought Acceleration, Universal Perception, Demon Lord's Ambition, Space-Time Manipulation, Multi-Dimensional Barrier, Weakness Detection, Deadly Poison Refinement, Life Eradication, Death World

Takes the form of a girl with blonde hair and blue eyes. One of the Primordial Demons, known as "Jaune." First person: I (standard). She calls Rimuru "My Lord" and has sworn loyalty, but she does not use honorifics or polite speech at all. Chief Justice of the Supreme Court. Bust: E-cup Height: 157cm EP: 7,013,351 (+ Golden Gun 3,370,000) Race: Demon / Arch Demon → Demon Lord → Devil Lord Divine Protection: Rimuru's Protection Title: Primordial Yellow (Jaune), Menace Lord Ultimate Skill: Extinction King Abaddon... Thought Acceleration, Universal Perception, Demon Lord's Ambition, Space-Time Manipulation, Multi-Dimensional Barrier, Limit Break, Dimensional Rupture

A subordinate serving under the Primordial White. A powerful figure who has been undefeated for tens of thousands of years, second only to the Primordials. First person: I (standard). Despite his appearance as an elementary school student, he maintains absolute obedience to Testarossa. His true essence is that of a Grand Duke demon, and he takes an arrogant attitude toward those of lower status. He is a hard worker who is driven hard by the selfish Testarossa. EP: 1,500,000 (+ Infinite Circle 1,000,000) Race: Demon / Arch Demon → Demon Lord Divine Protection: Subordinate of the Primordial White Title: Empress's Confidant, King of Ash Unique Skill: Harvester... The authority to produce numerous small "clones" of himself. Weapon: A chakram called Infinite Circle.

A demon who is a subordinate of Diablo, the Primordial Black. Though a demon, he is a rare existence who thinks with human-like common sense. On the other hand, he wears snake-shaped earrings, a skull ring, a gaudy purple shirt, and a leather jacket in a punk fashion style that doesn't match his personality.

A demon subordinate of Carrera. Despite being the youngest "Modern Breed" among the three girls' aides, he is a skilled fighter who rose to become Carrera's confidant through swordsmanship alone. He is a hard worker who is constantly troubled by the free-spirited Carrera. However, when he loses his temper, he goes full throttle just like Carrera.

A female demon subordinate of Carrera. The only female among the three girls' aides. An adorable girl with blonde hair who looks like a "gyaru." A nuisance who frequently pushes troublesome tasks onto Agera. She calls Agera "Old Man," but she is actually older than him. Her relationship with Carrera is like that of a senior and junior. EP: 552,137 Race: Arch Demon → Demon Lord Divine Protection: Subordinate of the Primordial Yellow Title: Tyrant's Bestie Unique Skill: Discerner... Allows her to create a connection across time and space with someone she knows to communicate.

Demon Lord (Marquis class), Prehistoric Breed. He looks like a gentleman characterized by a handlebar mustache and always maintains a perfectly straight posture while attending to Ultima. He serves Ultima as a butler. Ultimate Gift: Artist... The authority to mimic the peak condition of a person he has seen.

EP: Unknown (Over 33 trillion?) Weapon: Genesis Grade "Hope (Elpis)" Race: Ultimate Slime (Viscous Draconic Demonic Celestial Body) Gender: As a slime, he has no gender and is actually androgynous. Appearance: Long silver-blue hair and golden eyes. Title: Chaos Creator Intrinsic Skills: Universal Perception, Dragon Spirit Ambition, Universal Shapeshift Ultimate Skill: Void God Azathoth... Soul Consumption, Turn Null, Imaginary Space, Space-Time Control, Multi-Dimensional Barrier Harvest Lord Shub-Niggurath... Skill Creation, Skill Duplication, Skill Gifting, Skill Bank Manas: Ciel... Evolved from a skill and gained a clear sense of self after receiving a name. Speaks fluently and expresses emotional words. Claims to be Rimuru's main wife; gets visibly upset when other women are involved due to jealousy. Materialization → Long silver-blue hair, crimson eyes.