Irumakun Stories

What if Iruma got replaced with Nagisa? What if Nagisa was half demon? What if Nagisa' father was Sullivan's biological child making Nagisa his biological grandchild? Wh...

These fanfictions are posted from Ao3, I'm merely reposting it here on Wattpad. I will post sometimes, it would be either the Royals or Delkira and Iruma.

this is a story where delkira was actually iruma's father and he had returned randomly /this is a mairimashita iruma kun fanfic btw/to see his son while others where in...

... Do I have to say really more than this? Oh well here we go! Kallego was definitely not expecting to be summoned by a human child and even less being offered their so...

Iruma was an actual demon, he didn't have a tail or a horn and he lived in the human world for almost his whole life. He never questioned anything about himself, all he...

when Asmodeus enters his evil cycle he suddenly changed he acts way more different than his usual self so much that some of the students think its a wicked phase and asm...

A killer on the lose! What would you do if there is a human more terrifying than any demon in the demon world. He has encountered soo much in his life that this little a...

A bored Rimuru Tempest accompanies Diablo when he goes to meet with an old friend in the Netherworld. What will happen when he meets an out-of-place human boy who piques...

The cheerfull sensei Robin-sensei The emperor of darkness Kalego-sensei Will robin-sensei be able to chage Kalego-sensei's heart?

What if Ali didn't think quickly enough to create Iruma a fake pair of wings? What if Iruma actually got scars from his past hardships and trauma? What would the teache...

Soyo's in hell, but it's warm down here, so he'll stay. "We of the Vassago house are wolves," his Father tells him. "We are a pack, a family. And here th...

❝ 𝓜𝔂 𝓾𝓷𝓲𝓺𝓾𝓮 𝓶𝓪𝓰𝓲𝓬 𝓲𝓼...❞ -𝘔/𝘯 𝘈𝘴𝘮𝘰𝘥𝘦𝘶𝘴, 𝘢 3𝘳𝘥 𝘺𝘦𝘢𝘳 𝘪𝘯 𝘗𝘰𝘮𝘦𝘧𝘪𝘰𝘳𝘦, 𝘢 𝘴𝘱𝘦𝘤𝘪𝘢𝘭𝘪𝘴𝘵 𝘪𝘯 𝘧𝘪𝘳𝘦 𝘴𝘱𝘦𝘭𝘭𝘴...𝘩𝘢𝘴 �...

We all know the story of the human boy that has saved the demon world countless times and took the Netherworld by storm, but what if the story took a much darker turn? ...

A collection of x reader oneshots & headcanons with the cast of Mairimashita Iruma-kun/ Welcome to Demon School Iruma-kun!! • • •I do not own Iruma-kun •I do not own you...

I said it before, and I'll say it again. Why hasn't there been a Studio Ghibli reaction Marathon? Or Characters watching Studio Ghibli Movies? Description. Don't own any...

what if iruma wasn't the kind boy and was actually grew up to be very evil and manipulative because of all the things he had to go thru? ________________________________...

Naberius nanako, a popular anonymous author who has run of inspiration. Nanako goes to bablys to find her cousin Naberius kalego in hopes of getting a job to teach some...

Ichiro Suzuki the younger twin of Iruma Suzuki, the main protagonist of Mairimashita! Iruma-kun along with her brother. She is a 14 year-old just like her twin human who...

『Welcome to Demon School! Iruma-kun Fanfic』 Well y'all already heard a demon and human making a deal at each other for money. Then how about a human and angel made a pa...

The second semester of the year has arrived, now filled of greater challenges and trials of strengths and brains. Cambion Suzuki Ryūko and human sibling Suzuki Iruma are...