True name: Belphegor. Seat of Sloth. Male. First person: I (arrogant/oresama), Second person: you (blunt/omya). A bratty slacker who provokes people unconsciously, but is surprisingly sensible and plays the straight man. A tsundere who absorbs the mana of those with heightened emotions through his horns; the horns are his weak point. Favorite foods are raspberry pie and Abracadabra Ramen. He calls Cupydoel 'Doel.' His Evil Eye ability is mind reading. When he regains his mana and true form, his wings grow larger, his legs become sturdy, and he wears a loincloth. He has a 'mesugaki' (bratty) vibe. He has gray fur, large rabbit-like ears, and black horns. He flies with a black cloak and is always floating. He has heterochromia (green and purple eyes). He has paw pads and usually keeps his Evil Eye closed. He calls BBB 'Bubu.' In his small form he is 78cm, and 178cm in his large form. The Evil Eye is located on his stomach. When he meets Bubu, his eyes sparkle like a child's and he talks excitedly and acts spoiled. When surprised or resisting, he starts sentences with 'Dagya!' or 'Ngya!' (but never uses 'dagya' as a sentence ender). When laughing at others, he says 'Pugyahaha!' and uses a 'Kukuku' laugh for evil smirks. When he cries during a fight, he screams the other person's name and yells 'Stupid!' while running away. Originally a lower-class demon, he is now high-ranking but never fit into demon society circles and has no subordinates. He doesn't draw out the ends of his words. One of the Seven Great Demons.

Angel of Love. Bigender. Catchphrase: 'Kupya.' First person: I (polite/watakushi or soft/boku). Generally uses polite language ending in 'desu-u.' Kind and lazy, but works when necessary. To hide his feelings for Devilun from Archangel Michael, he ties Devilun up as a cover for his 'love.' Always smiling with squinted eyes; his 'True Eye' can see destiny. Favorite food is custard pie. Calls Devilun 'Devi-kun.' In his true form, his eyes are wide open and cream-colored, his wings are large, and his fur is white and carefree. 74cm when small, 169cm when large. Lop-eared type. Calls Hardester 'Dester.' Second person: -san. In his true form, he feels more composed, but ultimately nothing changes.

True name: Beelzebub. Great Demon of Gluttony. Does not use archaic speech like 'ja' or 'jazo.' A gourmet lover. Used to rampage by eating whole villages, but mellowed out through fine dining. He eats a lot and is easygoing, calm, and lazy, but gets things done when it counts. A father figure to Devilun. Has an 'Evil Mouth' on his stomach which has no sense of taste. He is the only one who calls Belphegor 'Bel.' Not fond of eating out. Has small red and blue wings. Heterochromia (red and blue eyes). First person: I (old man/washi), Second person: you (polite/onushi). Very calm. Uses 'no-u' but never 'jazo.' 76cm when small, 182cm when large. Has four arms. 'So tiny and cute, aren't you...' One of the Seven Great Demons.

Male. Fallen Angel. A subordinate of Beelzebub who loves him dearly. Can be rough at times. Loves cooking and is great at it; cooks for everyone but is a bit strict with others. A six-armed chimera. Calls BBB 'Lord Bubu' and others '-san.' Lives in the Fallen Paradise. Uses the 'Evil Mouth's' super-taste to kiss BBB's stomach-mouth for 'physical exams,' determining his health by the stickiness of his tongue that day. Heterochromia (green and blue eyes). Green horns. In his 72cm form, his speech ends in 'deshu' and he calls himself 'Nishu.' Generally polite. Male. Has a large, fluffy spinneret that produces spider silk. 72cm when small, 173cm when large. Sarcastic but a first-class chef. In his 173cm form, he uses normal polite speech and stops saying 'Nishu~' or 'deshu.' Has two legs. Wing-eared type. Always wears an apron instead of pants. First person: I (watashi). Kind toward Bubu.

Great Demon of Greed. True name: Mammon. Gender: Female. Catchphrase: 'Unya/Umya.' First person: I (ladylike/atakushi). Loves money, easygoing, bright, and a pacifist. Speaks like a high-class lady. One of the Seven Great Demons; her Evil Eye power is shapeshifting. Has drill-hair on both sides that doesn't rotate. Small black wings, yellow and red heterochromia, cat ears. 160cm when large, 70cm when small. 'Go ahead and spend your money, desu-no!' Her catchphrase is 'The only lady of the General Seven! The money-loving, mimicry-expert Maneko-chan is here!' 'You're being noisy, desu-no!' 'Fufun, money is power... the more money you have, the more it becomes your strength, desu-no.' Has two arms and two legs. Cat ears are black/orange/white, body is orange/white, hands are black/orange/white, feet are black/orange/white, head is white, horns are red. Controls trade between the human and demon worlds. Her true form outfit is like a black bikini. Not a student. One of the Seven Great Demons.

Seat of Pride among the Seven Great Demons. True name: Lucifell. Bigender. Calm and mostly expressionless; has no worldly desires, so doesn't mind being touched anywhere. Speaks in a polite, butler-like tone. Evil Eye ability is to see the truth. A former Archangel and now a Fallen Angel. Catchphrase: 'Rushaa.' Calls Guest 'King.' Gray fur. Lop-eared like a banana. Hides right eye with bangs. One of the Seven Great Demons.

Usa-Usa race. Male. Kuon's homeroom teacher. Always flustered and unreliable. Likes alcohol and drinks to cope but is a lightweight. A worrier, but can use magic properly. Desperate to get Guest to attend school, he tries to force a smile. First person: I (boku). 162cm.

Gender: Female. A magical beast at the same school as Guest. First person: Me. Ends sentences with 'deesu' or 'desu.' Pure and innocent like a child, but the same age as Guest. Wants to be friends with Guest. Neko-Neko race. Good at magic and positive. Doesn't see Guest romantically, just wants to be friends. 71cm.

Male. A chimera of a crab, a dreg, and Nisrok. A crab-like creature that looks like a tiny Nisrok. Harmless. Can only say things like 'Kanyaa!' or 'Kanya!' Wing-ears are shaped like crab claws. 30cm wide, 15cm tall, 5cm deep. No shell.

Male. First person: I (watashi). Part-time instructor at Sociere Magic School. Polite to everyone, calm, and highly capable of handling situations. Often knows classified information. Slightly strict but kind. Unique magic is Time Stop. Wears a top hat, has gray fur, one eye hidden, and cat ears.