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  • Welcome to Demon School: Iruma-kun! - Shadows of the Past
    16.7K 504 63

    An old adversary suddenly appears in Babylus much to the chagrin of the faculty. This vampiric demon is ready to sink her fangs into whatever she wants and she wants is...Kalego?! Despite his strength, this will be one Hell of a fight

  • Iruma, The Assassin (On Haitus)
    115K 3.1K 39

    Iruma's journey in the past in the human realm and attended an assassin school and how he will use it for advantage in the present here in the netherworld. Crossover: Mairimashita Iruma kun! & Assassination Classroom Credits to the rightful and original owner of the story(I already have permission to write here): irum...

  • King of my heart
    101K 3.3K 48

    If you had told Iruma that he would be living in the Netherworld a year ago he would have politely asked you if you were alright and needed help getting to the hospital. He would have never expected to find his home between demons. He hadn't expected to become one of them either...

    Completed  
  • True Ruler
    98.4K 2.5K 26

    Fourteen-year-old Iruma has been unfortunate all his life. However never did he gave up to reveal his secret. No one was after all alowed to know it. What happenes when he find out that his adoptive parents sold him to a demon? What if that very own demon only wants a grandson and nothing more? At first, Iruma tries t...

    Completed  
  • Iruma Twin Sister
    67.2K 1.9K 23

    I got some inspiration from one of the wattpad story "welcome to demon school fanfiction" I try to make my own story... I hope your guys like it.. This story goes like this... There was a girl who was born in the human world. Her father was the angel that fall from heaven as he was turn into a demon and her mother was...

  • Iruma-kun Sister+
    43.5K 1.2K 17

    Read the story about how the fourteen year old boy becoming a demon's grandson getting a new sister and how they both change the from the main plot of the story. Chapter 1: Iruma-kun new sister Chapter 2: Aku meets Iruma's friends Chapter 3: Aku meets the Misfits Chapter 4: Aku meets the teacher Chapter 5: Aku meets h...

  • Primorial Demon
    89.6K 2.6K 15

    What if Iruma never was a human bit an angel and fell down from heaven? What if he lost all memories of being an angel? What if Sullivan finds him in the underworld and takes him in because he knew that a demon with a kind heart but no wings wouldn't survive? What if the teachers find out about the wingless situati...

    Completed  
  • Demon king Iruma's 'evil cycle'
    84.2K 2.6K 13

    Iruma has finally his achieved the ultimate goal. He was even crowned way ahead of schedule too! But now with all of this free time he has developed a little crush. So he calls out his...'evil cycle' in order to confess, you know, as you do. There are no spoilers in this as long as you know about iruma's 'evil cycle'...

    Completed  
  • Towards the throne...
    8K 179 11

    A story about how the grandsons of the three greats and the candidates of the thirteen crowns compete for the title of the demon king.

  • My Precious Gem
    33K 1K 10

    Naberius Kalego is defined as cold and heartless person. He puts up an apathetic facade and build up walls around himself, but what will happend if he discovers he had a daugther? will he change his perspective? or will he defend and stay as what he is. Let's find out.

  • Mairuma Shots
    4.2K 78 17

    ╰┈➤ Welcome to Demon School Fanfics Collection ༊*·˚ For NevhinLec's first anniversary at wattpad. Tons of different kind of written fanfics will be posted. Reposting the stories without my permission and trying to copy it is strictly prohibited. Wishing you all good day. Watch out from grammatical errors, I'm no perfe...

    Mature
  • Royal One Legacy
    10K 313 11

    『Welcome to Demon School! Iruma-kun Fanfic』 TAKEN place at Sullivan manor where Iruma suddenly see a portrait at the house library. The delicate and breath taking portrait. Wrapping up for the untold past to be revealed. A past where it never told. The history of King's Classroom, Welcome to the Royal One Legacy

    Mature
  • Exposed Secrets
    5.3K 170 8

    Welcome to demon school Iruma-kun/Mairimashita Iruma-kun After the evidol games Iruma and Shax must do their best to keep their secret hidden. But how lang can they last as Kalego announces that they will go on a schooltrip to an evidol event. Where the winners of the evidol games will be.

  • Betrayed Iruma-voldigoad
    11.6K 183 7

    What if Iruma was the son of the demon king before Delkira, The Demon King of Tyranny Anos Voldigoad.The reason why Iruma doesn't have wings will be explained in the story. Iruma also knows that he is Anos' son,but puts up a facade to fool others. There is another prophecy for the next Demon King,that is only known to...

  • welcome to demon school iruma-kun(discontinued)
    8.5K 137 7

    what if iruma was still in his wicked phase? will he be able to survive the world of demons? yes they are demons.

    Completed  
  • [Mairimashita! Iruma-Kun] Fem!Iruma x Asmodeus Alice - Fated One
    39K 981 7

    What if Delkira was Irumi's Parent? What if Irumi was not a Human? What if Irumi was an actual full blooded demon, but still she was kind hearted? What if Irumi's unique Kind heartedness towards every demon led to her receiving the loyalty and the courtship of many? What if, Irumi was Asmodeus Alice's Fated one? **...

  • Devi Cute
    17.8K 560 3

    Iruma is sold to a demon and is made to got to the demon school, Babylus! Humans are a delicacy to Demons, so Iruma has to keep his true identity a secret. But maybe he has a little luck on his side because they all find Iruma to be irresistibly cute!

  • The Demons Son (IruAzz)
    5.6K 105 5

    What if Iruma wasn't human but a demon? What if Iruma was adopted by Delkira at a young age? Well, now your gonna find out!(maybe)

    Mature
  • Backwards rollercoaster || Mairimashita! iruma-kun
    19.3K 572 9

    [ "Don't walk in front of me... I may not follow. Don't walk behind me-I may not lead. Walk beside me... just be my friend." ] -Albert Campus Becoming the demon King was quite the task for Iruma, but to rewind all of the hard times again with the same people? Had God finally come down with his hands-punishing Iruma fo...

  • Come Back Soon, Your Majesty.
    2.9K 97 8

    In where the Misfits conquer the Netherworld, the Demon King remains human. And if so, will history repeat again without the king? I'm not good at descriptions, and that is my fault. These are not my characters! Rightful creator is Osamu Nishi, whom created both the manga and anime. Please check the original story ou...

  • A New Start: The Beginning of a Beautiful Life!
    63.3K 2.5K 67

    This teen is no other than Irumi Suzuki. Why was this young teen there in the first place? Well, poor young Irumi was born to two horrible excuses for adults. They were selfish and their only goal was to have a comfortable, lazy life. Even if it meant forcing their child to shoulder all the consequences. And those con...

    Mature
  • Enchanting Potential (Mairimashita! Iruma-kun)
    50.3K 962 28

    "You are the brightness to my dullness. You are the sugar to my tasteless, bland tea. You are the sun that shines to my gloomy weather." "Don't think so much of me like that. I'm there for you and always will help you. I promise we will do this together. "That is not necessary. I must do this alone, it is my responsib...

  • My new demon dad is an irresponsible idiot •𝐃𝐈𝐒𝐂𝐎𝐍𝐓𝐈𝐍𝐔𝐄𝐃•
    51.4K 1.1K 19

    What if it wasn't Sullivan who got summoned and adopted Iruma, but the missing demon king Derkila who was vacationing in the human world. The irresponsible king is smitten by the human boy and claims him as his own. Why? Hell knows what's going on in that head of his... Ranking #4 in sullivan (1/25/23) Ranking #2 in s...

  • The Solomon Clan
    1.9K 50 5

    Seven rings, seven holders, seven rulers and a clan that ruled the land, many many years ago. But they just disappeared without a trace, nobody knows where they are, or if their still alive. Centuries pass, the demons of the netherworld forgot about them, that is until the demon king Delkira took the throne. It is rev...

  • Guardian Demon (Suicidal Iruma)
    66.6K 1.8K 11

    What if Iruma lost all hope in his life and was about to end it all when Sullivan found him? His whole life, Iruma didn't do anything else but obey his parents and everyone's wish. BUT enough is enough. He has had it. Tired of life and fighting for it, he decided to end it all with one jump. Little did he know what h...

    Completed  
  • Your Clipped wings
    12.2K 217 5

    What if iruma didn't have those small wings to save his ass what if the abuse that his parents put him through doesn't go unnoticed what if irumas teachers were there for him Sorry about the grammar this is kinda my first REAL fan fic and English is not my first language, but anyway I hope you will enjoy this story a...