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  • Iruma kun's Brother?!
    2.2K 65 2

    What would happen if iruma wasn't the only adopted grand-son of sullivan and another suzuki came into the picture? Introducing Ichima Suzuki twin brother of Iruma Suzuki! How would the demons of Babylus

  • Welcome to demon school Iruma x Male reader
    27.4K 1.1K 16

    Well welcome to demon school Iruma kun! (Y/n) the eldest son of a duke acts a little too feminine for his fathers taste gets sent to the human world with his most loyal friend/ servant he meets a boy who is around his age but working. They hang out and he finds out the boys name is Iruma! Iruma tells them they can l...

  • 𝕀 𝔻𝕚𝕕𝕟'𝕥 𝕒𝕤𝕜 𝕗𝕠𝕣 𝕋𝕙𝕚𝕤!(Mairimashita! Iruma-kun x Reader)
    209K 9.5K 55

    𝘛𝘩𝘪𝘴 𝘸𝘢𝘴𝘯'𝘵 𝘴𝘶𝘱𝘱𝘰𝘴𝘦𝘥 𝘵𝘰 𝘩𝘢𝘱𝘱𝘦𝘯. 𝘐 𝘵𝘩𝘰𝘶𝘨𝘩𝘵 𝘐 𝘴𝘢𝘪𝘥 𝘯𝘰... 𝘴𝘰 𝘸𝘩𝘺 𝘢𝘮 𝘐 𝘩𝘦𝘳𝘦!? (So this is my first ever fanfic, so i'm not really familiar with writing fanfics. but here I am making fanfics... Oh well at least you guys can share the cringe with me. I do not own the anime...

  • The White Dhampir // Mairimashita Iruma-Kun x Male! Reader
    32.8K 455 8

    (Y/n) Cruz, a 16-year-old graduate finds himself going to the Hell/Netherworld. His parents weren't bad, but to become better, they got in contact with a Demon Lord to understand (Y/n)'s powers. Why? Well, being the son of Soma Cruz, the Original Reincarnation of Dracula, has seeped into (Y/n) and he became the new Da...

    Mature
  • iruma x asmodeus
    123K 1.7K 22

    love feelings lemon *-* Welcome to Demon School! Iruma-kun That's the show

  • Obey Me X Iruma kun
    1.5K 33 7

    One day Diavolo asked Lucifer to attend some business in Netherworld. Lucifer was sad because he wanted to spend some time with Yuki (MC) since he was very busy with his paperwork lately which Diavolo had given to him. Diavolo notices his sadness and he promises that he will send him for a nice vacation. Will Lucifer...

  • Mafia Babel Dons
    5K 138 7

    『Welcome to Demon School! Iruma-kun Fanfic』 Suzuki Iruma, a child who suddenly got abandoned by its own parents. Meet an unexpected person named Sullivan, whom the lonely boy just reach its hand for help now. As payback now the old wants him to be his grandson. Little did he know something will be awaiting for him b...

    Mature
  • Welcome to demon school! Belphie-kun!
    178K 8.1K 39

    -𝕴𝖓 𝖜𝖍𝖎𝖈𝖍 𝖆 𝖈𝖊𝖗𝖙𝖆𝖎𝖓 𝖉𝖊𝖒𝖔𝖓 𝖌𝖔𝖙 𝖗𝖊𝖎𝖓𝖈𝖆𝖗𝖓𝖆𝖙𝖊𝖉 𝖆𝖘 𝖙𝖍𝖊 𝖈𝖗𝖊𝖆𝖙𝖚𝖗𝖊 𝖍𝖊 𝖊𝖛𝖊𝖗 𝖉𝖊𝖘𝖕𝖎𝖘𝖊𝖉 𝖑𝖔𝖓𝖌 𝖆𝖌𝖔- ʜᴜᴍᴀɴs ᴀʀᴇ ɪɴsᴀᴛɪᴀʙʟᴇ ᴄʀᴇᴀᴛᴜʀᴇs ᴡɪᴛʜ ᴀ ɢʀᴇᴇᴅ ғᴏʀ ᴍᴏɴᴇʏ,ᴘᴏᴡᴇʀ,ʟᴏᴠᴇʀs.... ᴀ ʜᴜᴍᴀɴ's ᴅᴇsɪʀᴇ ɪs ɴᴏ ᴅɪғғᴇʀᴇɴᴛ ᴛʜᴀɴ ᴀ ʙᴏᴛᴛᴏᴍʟᴇss ᴘɪᴛ.... ʙᴜᴛ "ᴅᴇsɪʀᴇ" ɪs ʜᴜᴍᴀɴ ɴᴀᴛᴜʀᴇ,ᴀғᴛ...

  • Kill or BE Killed
    9.6K 439 15

    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 assassin was more dangerous than anyone else. Soo many ways to kill and soo many ways to survive! How will Iruma deal with the situation if he suddenly...

    Completed  
  • How to take care of baby iruma!
    12.1K 410 5

    iruma turns into a baby? what will happen next! anyways i borrowed this from AnimeCorazon1997 from archiveofourown i wanna continue it for him/her

  • I will always be here for you (Asmodeus x Iruma-kun)
    3.3K 54 1

    After being friends with Asmodeus for so long iruma has developed feelings for asmodeus, question is will azz-kun love iruma back? (warning this is boy x boy, if you don't like that kind of stuff then don't read, no one is forcing you. also there may or may not be a smut character in here.)

  • || I had a dream || IRUMA X ASMODEUS (FANFICTION)
    10.4K 282 8

    The characters in my story are not mine!!! Suzuki Iruma, A human who was bought by a demon and is now living in the NETHERWORLD where all demons live. He was afraid of all demons but he little by little adopts their nature. And then he met new friends there and he also met his love of his life. He doesn't know it yet...

  • Unknowing Life Of The Half Adepti (Ganyu! Reader)
    5.8K 190 6

    (On Hold!) The two Suzuki siblings becomes the grandchildren of a demon... F/n Suzuki was a very supportive and intelligent older twin sister of Iruma, she's always on Iruma's back to help him as the boh of them are being treated like a slave. F/n knows how to object as she is quite understanding to any situation and...

    Mature
  • Who is the King?! (Chatfic)
    16.1K 456 10

    One would think that the abdnormal class could calm down with Iruma around but you are wrong. It's the abnormal class and there is literally no other way for them to be well other than themselves. But oh what is this? A class group chat? This is bound to be trouble! A/N: Feel free to correct my bad writing. Rights...

    Completed  
  • "𝗛𝗲 𝗶𝘀 𝗺𝘆 𝘀𝗼𝗻, 𝗮𝗻𝗱 𝗡𝗼 𝗼𝗻𝗲 𝘀𝗮𝘆𝘀 𝗼𝘁𝗵𝗲𝗿𝘄𝗶𝘀𝗲."
    986 19 1

    ┏━━━━━━━━━┓ ┗━━━━━━━━━┛ At the Harvest Festival, as someone showed Kiyota and Iruma's trauma as them only seeing (excluding the magic user), they both accepted the fact as they are humans and should never have been in the netherworld. However, the suzuki brothers have decided to stay in the netherworld as they will ac...

  • Devi Cute
    17.7K 558 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!

  • Clipped
    55.9K 1.2K 6

    In Chapter 63 Iruma had a confrontation about his lack of wings. What if Ali-san wanst there to serve as a stand in for his wings and Irumas -darker than cannon- past is revealed.

  • Welcome To Demon School! Iruma-kun: The Cursed Brother (Male Reader X Ameri)
    18.4K 487 6

    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?

  • I'm Reborn As Clara Valac In Welcome To Demon School Iruma-kun!?
    12.1K 348 10

    ⚠️WARNING⚠️ 👉 Slightly mature content 👉No yaoi/yuri 👉manga/anime

  • Royal One Legacy
    9.9K 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
  • SON OF THE DEMON KING
    1K 33 2

    Iruma the son of the previous Demon King, Derkila. He is raised by Kerkila, Derkila's little brother. When to Bablys Demon School with the motivation to conquer Bablys and make friends.

    Mature
  • Rimuru and Iruma's Adventures in the Netherworld
    764K 24.5K 119

    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 his interest? (Tensei Shitara Slime Datta Ken and Mairimashita Iruma-kun crossover)

  • Welcome To Demon School Izuma-kun and Iruma-kun
    783 21 3

    there was a twin sibling born in human realm they're Izuma Suzuki and Iruma Suzuki AUTHOR NOTE: im not good at describing so please understand. im also not good at English grammar and spelling but i will try my best i wish you like this story. if you have any ideas just comment it, i will try to add it if i can. i do...

  • Primorial Demon
    88K 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  
  • Iruma-kun older sister ♡
    7.2K 206 7

    hizuki shoku a 15-year-old girl has been isekai into Mairimashita-iruma kun by truck-kun. When opening her eyes she was a 7-year-old child in an abandoned house. read more to find out what happened and how she met our main character iruma and became his older sister plus see if she will have any love interest(s). ~~~~...

  • Guardian of My Heart
    26.4K 1K 30

    In an alternate universe where Iruma is half demon, half human. His terrible "parents" aren't his true family, and neither of his true human or demon parents are known to him. Surviving in the human realm as a creature that shouldn't exist, Iruma struggles against the pain and anguish of his life day after day. But wh...

    Completed   Mature
  • Mrs. Naberuis
    16.4K 430 5

    "he's married?" "him, the death lord... MARRIED?!?" "t-that's my older sister" what would happen if one of the teachers in babyl's academy came back after a long break..... "enough with your "shuku ni" or I'll sign a divorce paper" come and read

  • Demon
    975 26 1

    "Lord Sullivan why did you adopt master Iruma? you could have picked anyone out of countless of demons in the adption services in the Demon world" a androgynous looking demon with red hair pulled into a ponytail like braid an pointy elf like ears said calmly "yet you adopted a human from the Human world why?" "we'll k...

  • Welcome to demon school headcannons
    6.2K 101 9

    These are headcannons for welcome to demon school that are from my tumblr demon-guardian. I decide to put them here as well.

  • The Suzuki brothers
    817 25 1

    A story based off of Welcome to demon school! Iruma-kun so he characters don't belong to me. If you would like to find out what happens read to find out -3-