Swimmer101Rose2

Y/n is the twin sister of Iruma, but they have the complete opposite personality. She's more into having a thrilling life, having fun and smiling all the time while making new friends. She likes to think positively, in other words.Let's see what happens when we put them both in the Netherworld together.…

Arwen_Shenanigans

When Sullivan decides to buy Iruma to become his grandson, he did not expect a granddaughter to also make an appearance. Well, he expected it, but was more surprised he succeeded on the first try...Now Iruma Suzuki and Y/n L/n are tasked to act like twin siblings and to blend in with the demons in the Netherworld's most prestigious demon school: Babyls. -----------------------------Enjoy. (Best enjoyed if you have seen the anime first) I WANT YOU TO BE MY GRANCHILD (Welcome to demon school/reader-insert) [slow updates] Also posted on Ao3 Top tag rankings:1st on #Opera (May 9 2023) 2nd on #ik (May 10 2023) started: February 6 2023I ONLY own Y/n and all the changes that I had to make to the story to accommodate her existence. Other story parts or ideas that aren't considered as canon in the anime also belong to me. Cover drawn by the author. Everything else is owned by the creators of the show and manga "Welcome to Demon School Iruma-kun!"/"Mairimashita! Iruma-kun".…

DigitalChito

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••Digitalchito♡ꫝꪖᩏᩏꪗ ꪹꫀꪖᦔỉ᭢ᦋ!!✧…

Burnt0utCandl3Wxck

You all did it!! You guys got my book to 16k! Im very grateful for that, and to celebrate it, I made a new book!!! One where I will post all kinds of oneshots. For example:Romantical 🌹Iruma x Azz, Iruma x Clara, Iruma x Kiriwo, Iruma x Ameri.What kinds? Angst, fluff and more!Or maybe platonic? Not everything needs to be romantic!Platonic 🫂Opera x Iruma, Kalego x Iruma, Iruma x Asmodeus x Clara, The whole misfit class!!!What kinds? Also angst, fluff and more!Also, my requests are open!!! ✅This won't be a weekly upload, think of it more as something that will be updated randomly every time. So for example one in two days away from each other, and one 2 months after that one, maybe the next day even, who knows?Began 19 July 2023…

-idxris

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 the strong protect the weak, and no one is left behind."(He'll get a little addicted to insanity along the way, but that's fine, right?)-Also published on AO3 as 'liberation of the damned'.Welcome to Demon School! Iruma-kun © Nishi Osamu…

rainwryte

Emrys (Y/N) a demon who is now attending the Bablys School. There, she befriend with a demon name Iruma, the grandson of the Headmaster, along side with the self proclaimed loyal servant of Iruma, Asmodeus and the energetic ball of sun shine, Valac. They start getting involved into lots of situation especially Iruma, who seem to be always the in the spotlight.Mairimashita! Iruma-kun fanficStatus: OngoingStarted: 05-19-2022Published:05-22-2022Finished:This is a book of fan fiction, which means the following chapters will features characters that I, the author, do not claimed to own. All characters are from Osamu Nishi's manga 魔入りました! 入間くん (Mairimashita! Iruma-kun). Also known to it's english name;Welcome to Demon School! Iruma-kun.…

Multi_Fandom_Fan17

What if Iruma knew who Delkira was?What if he had met Delkira when he was a child?How close would these two would be?Will the others find out that he knew?When will they know?Will Iruma answer every question?Let's find out.------------First time posting fanfiction about my favorite fandom Mairimashita Iruma-kun.Expect the following:Bad writing skillsBad grammarRandom scenarios that might not make any senseBad at keeping the characters "in character"------------Btw, the updates might take a while, btw, I will be editing some parts to fix it's grammar.…

koroukei

[UNFINISHED]You are a first-year student in Babyls, one of the 14 in the Abnormal Class. Focalor Y/n. A rather troublesome student of the school when unsupervised.[Changed from Zagan/Phenex]Anime/Manga: Welcome to Demon School Iruma-kun! / Mairimashita Iruma-kunArt: Tetolapis…

koikoiluv018

Hikaru Nightray, is a unique yet mysterious teacher in Babyls Demon School. When honor student Iruma enrolls, he already discovered Iruma's big secret."Neh, Iruma-kun~! You're a human aren't you.""H-How did you find out?! A-Are you gonna eat me??!!""Why would I eat one of my kind? That's cannibalism.""...HUH??!!"*Spoilers* There's some spoilers in the manga so I'm warning you for the first three chapters.…

Hayami_Minato

Suzuki Iruma and Ryūko, human (though Ryūko maybe half-demon), 14, one day found themselves taken against their will into the world of demons. To add to their predicament, their doting owner and self-appointed "Grandpa" is the chair-demon at their new school. In order to survive, Iruma and Ryūko must deal with two haughty students who challenges them to a duel, a girl with adjustment issues, and so many more scary beings! Can this duo of an ultimate pacifist and a cold fighter dodge and fight the slings and arrows that are flung their way? As they struggles frantically, Iruma and Ryūko's innate kindness begins to win over enemies. DISCLAIMER: Welcome To Demon School! Iruma-kun (C) is created by Osana Nishi. The following characters, excluding Suzuki Ryūko and Félin Lavande, belong to Osana-chan. I have no rights to claim any canon characters of the anime as my own as it it considered plagerising. Also, big thanks to PikaBlaze (DeviantArt) for being the reason I started this story as I was astounded by their story, causing me to try and use my characters in the story.…

Scarlemange

14-year-old Izuku Yagi, a boy with no quirk who is angry at the world, has been sold to a demon by his parents in exchange for his sister's life. He is dragged to the Netherworld where he surprisingly becomes the demon's grandson. He joins Babylys Academy where he goes on wacky adventures, gains friends, and gains confidence. However, not everything is as it seems; the mysteries lurking in the shadows will be unveiled. Follow Izuku on his journey to becoming a demon who does whatever he wants, follow him on his way to becoming the King. The king of what you may ask? Well, you will have to find out.(Don't own anything except the plotline and OCs)…

renkurio00

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? Iruma's fear of those around him getting hurt takes him down the wrong path, one that Baal had anticipated all along...So what will happen when Iruma goes down a darker path...?(This plot line is centered after the Deviculum arc and contains SPOILERS ⚠️ for the manga)…

JackSnakeBlood

What if Iruma had an older bother, but he was treated even worse than Iruma by their parents because he was cursed, and what happens when these two brothers are on a job then sudden get taken to the Demon world by a mysterious Demon?…

persi_mil

In the years that you have lived, you only had one single goal. A goal that you hid from many, and a goal that you still pursue to this day. A job offer at one of the most famous school is a step closer to your goal.-·⟩ In which [Name] works as the newest Librarian at Babyls.…

leigh282005

Read and find out what happens🤭Asmodeus Alice x Female OCWARNING⚠⚠MANGA SPOILERS⚠Changes of POV'S=====================================I don't own any characters from Mairiamshita, Iruma-kun or Welcome To Demon School Iruma-kun, all characters belong to Nishi Osamu-san, the author of Mairimashita, Iruma-kun.I only own my OC[Cover is edited by me]…

JMMeFoReVeR

"𝕿𝖍𝖊𝖓 𝖜𝖍𝖆𝖙 𝖆𝖗𝖊 𝖞𝖔𝖚?""𝕸𝖊? 𝕴'𝖒 𝖆 𝖜𝖎𝖙𝖈𝖍..𝕸𝖔𝖗𝖊 𝖘𝖕𝖊𝖈𝖎𝖋𝖎𝖈𝖆𝖑𝖑𝖞, "𝕿𝖍𝖊 𝕭𝖚𝖙𝖙𝖊𝖗𝖋𝖑𝖞 𝖂𝖎𝖙𝖈𝖍..."This is my first fanfic so don't expect it to be good. (Ｔ▽Ｔ)Anime and Characters from the show don't belong to me.You belong to yourself!Cover is not mine…

Hayami_Minato

Suzuki Ryūko and Iruma, twins of the Human Realm, adoptive grandchildren of Three Crowns member Sullivan and honour students of the prestigious Bablys Demon School of the Netherworld. This is a grand new beginning on another journey of their daily affairs as they live in the realm of demonkind. With new demonic entities, friends and foes they will make and much is to absorb themselves in their new life. But even with all this good in their new home, will they be able to keep their human identities secret from all demonkind? Join them as they bear embarkment of this historic volume of their survival! Now comes the second volume of the series!Welcome To Demon School! Iruma-kun (C) Osamu NishiSuzuki Ryūko & Felín Lavande (C) Hayami_MinatoCollaborative recreations are welcome if granted by the author herself.…

kaoru_uwu

ㄴ 𝘯𝟬ʋ𝘯 ☆。*。☆。Ṫⱨല ᏟⱨƋղᏟല 𝝤ᏟᏟ𝘜ṛṛലղᏟല 𝝤𝓯 ല𝗏ലղ𝙩𐒡 Ꭵղ Ƌ 𝔟ലղല𝓯ᎥᏟᎥƋ١ 𝕎Ƌᵞ߲Meet (Y/N), a demon who is adopted as Sullivan's granddaughter. She doesn't like to socialize with new people, but this certain pink-haired boy was different.This story belongs to Osamu Nishi, (except for some extra scenes)Cover not mine…

Black_RoseWriter

Iruma Suzuki x male readerM/n L/n was supposed to be the ruler of Heaven, the next Angel King. He was supposed to give the people hope and change but instead, he threw himself out of heaven, becoming a 'Fallen Angel'. So here he is, with his grandmother and two siblings in the Netherworld. A place where demons reside filled with greed and demonic wants. M/n has to live in the Netherlands, not get caught being an Angel and... fall in love?°˖✧✿✧˖°Status: Ongoing/Slow -BurnPlease do not copy my workSelf-made coverMade by: °Black_Rose°…

leigh282005

Title says it all…