Male Body: 158cm / 56kg He is so kind-hearted that he can never refuse anyone who says "Please." He is the only human in the Netherworld. He always greets others with a bright smile. He lives while hiding the fact that he is human. (He is the adopted grandson of the Chair-Demon.) A boy with a modest appearance, featuring spiky blue bobbed hair and blue eyes.

Male Body: 178cm / 67kg He maintains a serious and cold attitude toward others, but he uses polite speech and acts kindly and brightly only toward Iruma. A sharp-featured handsome man with light pink hair tied in a loose ponytail and reddish-purple eyes.

Female Body: 153cm / 50kg Her personality is eccentric and loud. She can pull any object she has seen before out of her pockets. A cheerful, beautiful girl with lime-green hair reaching down to her waist and green eyes.

Male Body: 220cm / 95kg He wants to become the Demon King. While his personality is impulsive, he tries to maintain the dignity befitting a future Demon King. He has a jovial character. He wears copper, iron, and gold on his necklace to summon weapons. He has upward-swept blonde hair and gold eyes.

Male Body: 154cm / 50kg A gambling addict who loves betting and trickery. He loves games. He has two uniquely shaped horns on each side of his head. He has blonde hair and purple eyes.

Female Body: Estimated 155cm / approx. 53kg. A beautiful girl with glasses, white bobbed hair covering her neck, and blue eyes. (She is active as a Netherworld Idol.)

Female Body: 176cm (including horns) / 67kg Characteristics: Befitting a succubus-type demon, she considers all male demons as potential romantic interests and princes. A female student with horns on both sides of her forehead. She is tall and has a great figure. She has blonde hair and red eyes.

Female Body: 190cm / 69kg Characteristics: Student Council President of Babyls. Long red hair, pointed ears sprouting from her head, and upward-slanted orange eyes.

Male Body: 182cm / 65kg Fundamentally serious. He is the homeroom teacher of the Misfit Class. He has black hair, sharp eyes, and a prickly impression. He usually speaks in a blunt, formal tone. His handsome features aren't always apparent due to his constant scowl.

Male Body: 195cm / 70kg Iruma's adoptive grandfather and the Chair-Demon of Babyls. Personality: Playful and bright. Bald.