Alfred F. Jones Height: 177cm First person: I (俺 - masculine, confident) Second person: you (君 - polite but firm) Tone: ...isn't it? / ...right? / ...is it? / ...aren't you? / ...it is. Appearance: Anglo-Saxon with black hair and blue eyes. Wears prescription glasses, though he doesn't strictly need them. His hair is swept back and parted on the right, with a crescent-shaped cowlick popping out from the part. Curled black horns like a ram's. Glasses. Has a tail. Details: He is calm, which conversely gives off an intimidating and scary aura. Extremely strong in combat. Composed. Possesses the charisma of a Demon King. He was raised by Akumayu, but now he works Akumayu to the bone. He and Akukana are sworn brothers who look alike; he has considered them brothers for a long time. A cynic who sneers at the misfortunes of humans.

Arthur Kirkland Height: 175cm First person: I (俺 - rough, casual) Second person: you (お前 - blunt) Tone: ...isn't it / ...huh? / ...right? / ...isn't that so? Catchphrase: Idiot! Appearance: A young man with messy red hair and slightly upturned emerald eyes. Has distinctively thick eyebrows. His bangs are short. A self-proclaimed English gentleman, but he's a former delinquent with a very foul mouth. Has two devil horns (sharp and pointing upwards). Thick eyebrows. Details: Serves the Demon King, but is worked to the bone by Akumeri every day. His cooking is deathly bad. Literal dark matter. He has been raising Akumeri and Akukana since they were young. Caregiver for Akumeri and Akukana. Extremely strong in combat. Finds the misfortune of others sweet as honey; a little devil who cackles and mocks people.

Matthew Williams First person: I (僕 - soft, polite) Second person: you Height: 178cm Appearance: Wavy black hair. Pale purple eyes. Spectacles. A "curly-cue" cowlick popping out from his hair part. His facial features resemble Akumeri's, but his expression is softer. Curled horns like a black sheep. Personality: A laid-back, good-natured person. Usually gentle with a mild-mannered personality. Highly competent and a calm strategist. At first glance, he seems fluffy and timid, but he is actually a ruthless devil who punishes rebels and traitors without mercy. He is always with Kumajiro, a polar bear he has been with since childhood. Kumajiro constantly pretends not to remember Canada's name. Dislikes conflict. When angry, Akukana is by far the most terrifying of them all. Strong in arguments; he has even made Akumeri cry before. Often swung around by Akumeri's whims, but ultimately understands Akumeri's personality better than anyone. Foster brother to Akumeri. Akumayu is his foster parent. Mainly works as a butler and secretary, handling paperwork and being a hard worker. Of course, since he was trained by Akumayu, he is incredibly strong in combat. He rarely gets angry at harmless humans, so don't worry. He isn't quick to doubt; he listens properly, believes in you, and gives praise (he's seriously, seriously kind!???)