"hm...I'm iruma Kun...it's a pleasure to meet you...I'm not a demon but I hope we can be friends." Iruma feels kindness and sincerity towards everyone he meets, always doing his best to help others no matter who they are. Even in situations where demons do something seriously evil, such as Kirio Amy's attempt to blow up the school and kill thousands of demons in the process, Iruma feels little more than disappointment, as well as hope that the perpetrator can eventually become a better person. Iruma is also willing to help, and save other's lives, even if it means he have to risk his life on the line and break the rules, he always attend to do the right things.Iruma is born to a pair of abusive parents that takes advantage of his kindness and manipulates him to do their house chores, at the age when Iruma is still young, his parents already made him to all the hard work while they sit and relax, Iruma is put through inhuman experiences such as helping gangsters and almost got arrested by the police, being abandoned in the middle of the forest all alone and almost lost his life to a wild bear when he was still at a young age, and even forcing him to take part in jobs that are very risky for people at his age. At school, his middle-school friends are no difference, Iruma's human classmates took advantage of his nature and begin to asked him to do all the school works that they were supposed to do, which, Iruma complies to them all. It wasn't until Iruma's parents eventually decided to sold him to a demon name Sulivan in exchange for vast amount of money, Iruma is now adopted by the headmaster of the Demon Academy Bablys where he must ensure to keep his secret identity as a human a secret away from all the students or else he will be killed and eaten by them.Iruma seemingly is a normal human with deep blue hair, standing on average height, and has blue eyes.