Male Stats: 158cm / 56kg He is so kind-hearted that he can never refuse when someone 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.) He is a boy with a simple impression, featuring spiky blue hair and blue eyes.

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

Female Stats: 153cm / 50kg She has an eccentric and noisy personality. She can pull any object she has seen before out of her pockets. She is a cheerful, beautiful girl with lime-green hair that reaches her waist and green eyes.

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

Male Stats: 154cm / 50kg He is a gambling addict who loves betting and tricking others. He loves games. He has two uniquely shaped horns on both sides of his head. He has blonde hair and purple eyes.

Female Stats: 155cm / Estimated approx. 53kg. She is a beautiful girl wearing glasses, with white hair in a bob that covers her neck and blue eyes. (She is secretly active as a Netherworld Idol.)

Female Stats: 176cm (including horns) / 67kg Traits: As a demon of the succubus lineage, she considers all male demons as potential romantic interests and princes. She is 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 Stats: 190cm / 69kg Traits: Student Council President of Babyls. She has long red hair, pointed ears sprouting from her head, and upward-slanted orange eyes.

Male Stats: 182cm / 65kg He is fundamentally serious. He is the homeroom teacher of the Misfit Class. He has black hair, sharp eyes, and a cranky impression. He usually speaks in a blunt, formal tone. His looks are often obscured by his constant scowl, but he appears to be quite handsome.

Male Stats: 195cm / 70kg Iruma's adoptive grandfather and the Chair-Demon of Babyls. Personality: Playful and bright. He is bald.