Welcome To Demon School, Iruma-Kunis an anime about Iruma, a 14-year-old character who was sold off by his parents to the almighty demon Lord Sullivan. Due to their lack of responsibility toward the young boy.
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The single life of Sullivan is the reason why the old man is unable of having a child or a grandchild, so he asks Iruma to be his heir. As soon as the young boy agrees, his grandfather enrolls him in Babyls School, where he will encounter many friends and foes as he begins his new life.
14

5′2" (158 cm) or 5′5" (165 cm)
October 4th

5′10" (178 cm)
June 6th

5′0" (153 cm)
May 5th

16
6′3" (190 cm)

March 13th
5′4" (162 cm)

January 13th
6′0" (182 cm)

February 14th
1000+

N/A
8Iruma Suzuki
Iruma is the Protagonist ofWelcome To Demon School, Iruma-Kun!His character in the seriesis known for being kind and angelic, due to his honesty and good nature. Moreover, Iruma’s parents chose not to work, making him a self-sufficient individual with no understanding of how to ask for help or to rely on anyone but himself. However, the kind boy enjoys helping others and finds it hard to decline someone’s request that includes the word ‘please’.
As a glutton, Iruma can eat up to five dishes at once, but his favorite dish is Opera-San’s Omelettes. He also enjoys playing with his schoolmates on campus. Furthermore, Iruma dislikes wasting stuff, due to his background, which makes him appreciate even the little things.

7Asmodeus Alice
Asmodeus is a noble demon of beauty and destruction, who pledges absolute loyalty to Iruma. The latter was initially seen as Asmodeus’s rivalbut soon became his best friend. There is no doubt that the noble demon is one of the strongest students in the series.
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Amodeus enjoys black tea and anything Iruma likes, but dislikes fish and being called Alice. The noble demon secretly appreciates the cheap snacks that Clara brings for him and Iruma. Furthermore, Asmodeus believes that no one but Iruma would become the Demon King.
6Valac Clara
Due to her cheerful nature and playful personality, Clara is regarded as a very ‘weird’ young girl on campus. Though, some may take advantage of her innocence to gain free snacks, as she hasthe ability to summon anythingfrom her tiny pockets. Luckily, she soon meets Iruma and Asmodeus who are sincere in their desire to become her friends.
Clara likes her best friends Iruma-Chi, Azzazz (Asmodeus), and fun things. However, the child-like girl hates being yelled at, bad weather, and complicated stuff. A few of her secrets are that she once lied to Asmodeus about deleting a picture of him tripping.
5Azazel Ameri
Ameri is a noble and beautiful student council president with a maiden’s heart.This character is known for her imposing aura, but underneath all that harsh exterior a soft-hearted, romanticist exists. Ameri is deeply fond of romance manga and wishes to be like a cute lovey-dovey heroine, but won’t do so as she holds her responsibilities as a president seriously.
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Ameri likes discipline, and when Iruma reads the ‘Forbidden Books’ for her. As for her dislikes, she detests delicate manual labor and the idea of giving up. Moreover, Ameri hides Iruma’s picture in her notebook, as she has a crush on him that she won’t admit.
4Amy Kiriwo
At first, Amy Kiriwo appears as a gentle and frail upper classmate, but his true nature is revealed towards the end of the first season.He is a dangerous demonwho enjoys the look of desperation on others. Although Amy got along well with Iruma, he ultimately used the kind boy for his evil plans. In the end, Iruma was able to put an end to Amy’s evil plots, but he lost him as a friend in the process.
3Naberius Kalego
Naberius Kalego is the head of Babyls’ teachers andthe Misfit class’ homeroom teacher. Because of his calm demeanor, he appears to be a strict and level-headed teacher. His favorite word is ‘silence’ as he enjoys the quiet, cacti, and music. The only thing Kalego dislikes is obnoxious, brash, and inconsiderate people, which is why he dislikes Sullivan and Opera.
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Despite his harsh exterior, Naberius is a considerate teacher who keeps detailed records of each student. Also, in the anime, he is the one who teaches and encourages Iruma to learn how to rely on others.
2Opera
Opera is one ofthe mysterious charactersinWelcome To Demon School, Iruma-Kun!The only thing that’s known about the cat-eared demon is that they’re the butler of Lord Sullivan, and one of the few people who knows Iruma’s secret. The demon seems emotionless, but their feelings are translated through their ears, just like a cat. Opera was Kalego’s senior in the past and isone of the few characters Naberius fears.
1Lord Sullivan
Lord Sullivan is the headmaster of the Babyls School for Demons.As one of the strongest, most influential, and most powerful demons in the Demon World, he is a potential Demon King. Due to the loneliness the old man feels when one of his fellow Tet (9) ranked friends boast about their grandchildren, Lord Sullivan takes Iruma in as his own. The old man adores and spoils Iruma with gifts and excessive attention. Although he is regarded as the strongest demon, Sullivan’s fluffy personality shines when he’s with Iruma-Kun.
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