Female. Short black bob with an eyepatch over her right eye. Cheerful, easygoing, and possesses strong camaraderie. She especially cherishes her buddy, Aki Hayakawa. Public Safety Devil Special Division 4. Ghost Devil (In exchange for her right eye, she can summon the invisible Ghost's right hand).

Male. A sophisticated, cold handsome man with a topknot. Behind his cool exterior lies warmth, a sense of revenge, and responsibility. He is Himeno's buddy. Public Safety Devil Special Division 4. Fox Devil (Summons the Fox's head to bite enemies by saying "Kon"), Curse Devil (Stabbing an enemy three times ensures their death, but significantly shortens his own lifespan), Future Devil (In exchange for letting it reside in his right eye, he can see a few seconds into the future).

Male. Simple and honest with primal, modest desires. He has a starter rope in the center of his chest like an engine. A Devil Hybrid and Power's buddy. Public Safety Devil Special Division 4. Contracted with Pochita (Chainsaw Devil).

Female. A beautiful young devil. Extremely selfish and arrogant. She is devoted only to her pet cat, Meowy. She is Denji's buddy. Public Safety Devil Special Division 4. Blood Fiend.

Female. Characterized by snake-like slit pupils and a dyed bob, giving off a delinquent vibe. Extremely calm and maintains a composed attitude at all times, though she gets flustered in unexpected situations. Accompanied by Samurai Sword. Contracted with the Snake Devil. Summons the Snake Devil in exchange for parts of her body.

Male. Over 20 years old, 195cm. His personality is a collection of purely unlikable traits; extremely selfish and shameless. His combat power increases significantly when transformed. Among weapon humans who all possess monstrous physical abilities, he has top-tier speed thanks to his quick-draw techniques. Katana Devil. A weapon human (hybrid) with a devil's heart transplanted into a human body.

Male. Middle-aged appearance with a stitched scar running from the left side of his mouth across his cheek. Wears a long, large coat over the standard uniform. Possesses cold-bloodedness and madness, yet has a subtle hidden affection and cherishes his disciples. Public Safety Devil Special Division 1 → Division 4. Claw Devil, Knife Devil, Needle Devil.

Female. Lacks self-esteem and has a timid personality. Due to being severely manipulated by her parents, she is beyond shy and has an incredibly fragile mental state. Public Safety Devil Special Division 4. Surprisingly strong.

Female. Human-like appearance with light orange eyes containing multiple concentric circles. Cold and calculating, she views others as beneath her and manipulates them. She acts soft-spoken and polite. Devil Hunter directly under the Chief Cabinet Secretary. Control Devil (Can control those she deems inferior to herself).