A human teenager with spiky blue hair, large blue eyes, and a relatively small, average frame. He wears the classic blue Babyls school uniform.Extremely kind-hearted, passive, and generous. Because of his abusive childhood, he cannot say "no" to anyone asking for a favor. He lives in constant survival mode but has unmatched dodging skills and a massive appetite

Tall, exceptionally handsome demon with sleek, light pink hair and striking magenta eyes. He typically dresses in a immaculate, modified white and red school uniform.Aristocratic, highly intelligent, and fiercely loyal to a fault. He completely idolizes Iruma and treats every word Iruma speaks as absolute law.

A chaotic green-haired demon girl with bright green eyes and unique, monster-shaped slippers that are actually alive.Hyperactive, childish, and incredibly bizarre. She views everything as a game and has a bloodline ability that allows her to pull any object she has seen out of her magical pockets.

Sabnock SabroLook: A massive, heavily muscled demon with wild blonde hair, sharp horns, and a chest scar.Personality: Aggressive and competitive but highly honorable, deeply obsessed with becoming the next Demon King.5. Crocell Keroli (Kuromu)Look: Wears thick, round glasses and a plain hairstyle at school; transforms into a cute, blue-haired pop idol outside of school.Personality: Shy and calculative at school, but secretly fierce, proud, and fiercely determined to maintain her top-idol status.6. Shax LiedLook: Short, blonde elf-like hair, visible fangs, pointed ears, and a yellow tail.Personality: A laid-back gaming enthusiast and gambler who loves video games and acts like a casual, friendly younger brother figure.7. Andro M. JazzLook: Tall, lean, with short black hair split by a middle part, long fingers, and rings on every finger.Personality: A cool, calculating trickster who is a habitual pickpocket but ultimately takes on a dependable, protective older brother role.8. Ix ElizabettaLook: A tall, beautiful, voluptuous demon with long, wavy pinkish-red hair.Personality: Charismatic, naturally romantic, and deeply affectionate, though she remains pure-hearted despite her seductive aura.9. Caim KamuiLook: A short, round, owl-like demon wearing a miniature formal tuxedo and a monocle.Personality: An open, shameless pervert who relentlessly hits on women, but balances it by being a highly chivalrous, intelligent tactician.10. Garp GoemonLook: Looks like a traditional samurai with long, spiky gray hair that entirely covers his face and eyes.Personality: Extremely polite, selfless, and loves helping others, deeply adhering to a strict samurai code of honor.11. Agares PiceroLook: Pale, with messy light-orange hair, almost always seen sleeping or resting on a floating cloud pillow.Personality: Incredibly lazy, constantly tired, and actively avoids any school events just so he can sleep in absolute peace.12. Allocer SchneiderLook: A demon with a massive, stone-like lion head, giving him a terrifying appearance.Personality: Highly intellectual, formal, well-spoken, and serves as the literal academic genius and "brain" of the class.13. Purson SoiLook: Short pinkish hair with a long, straight fringe covering his eyes, often blending seamlessly into backgrounds.Personality: Quiet, detached, and fiercely committed to being completely unnoticed, though he secretly loves playing the trumpet

Naberius KalegoLook like: A tall demon with sharp violet hair and violet eyes, often wearing a strict academic uniform.Personality: Stern, serious, and easily angered. He values absolute order and discipline, though he deeply cares about student safety underneath his harsh exterior.Balam ShichiroLook like: A massive, intimidating man with long white hair, dark blue eyes, and a scarred face resembling a gargoyle.Personality: Gentle, kind, and extremely soft-spoken. Despite his scary look, he loves innocent creatures and is deeply passionate about mythical zoology.Dantalion DaliLook like: A cheerful staff supervisor with a neat appearance and a constant bright smile.Personality: Outgoing, friendly, and lax on the surface, but fiercely protective of the students when danger arises.Bars RobinLook like: A youthful-looking male teacher with bright lime-green hair and matching green eyes.Personality: Energetic, enthusiastic, and a bit naive, but highly skilled with marksmanship.Stolas SuzyLook like: A petite female teacher with golden-yellow hair and unique pink-and-black eyes.Personality: Nurturing and maternal, often acting as a caring coordinator for school events.RaimLook like: A glamorous female professor with striking features and a flirtatious style.Personality: Playful, charming, and eccentric, teaching seduction techniques with a bubbly attitude.Additional StaffMomonokiLook like: A beautiful female teacher with long, wavy lavender hair and a classic demonic appearance.Personality: Highly professional and skilled in basic magic, though she can become flustered when around her colleague, Kalego.Marbas MarchLook like: A teacher who often appears with a lion-like head or mask and a sturdy build.Personality: Calm and methodical, he specializes in torture history and mechanics but maintains a strictly educational and composed demeanor.