Mairimashita Stories

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 ever...

Nishida Luna, a shy girl living in a simple home with an androgynous person named Opera. Throughout her life, she had always been living alongside them and was raised by...

A change of pace and environment can help a person become the person they envisioned themselves to be. When Y/N found out that she was sold by her parents to demons, she...

Iruma is a 15 year old boy involuntary trying to survive within two maffia wars. The war of the Babelys's and the Six Evils. He didn't know that after saving a man with...

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 no...

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...

(A case of Balam got summoned instead of Sullivan) Balam got himself a 5 years old human kid.

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 uniq...

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...

"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 acade...

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...

The newly assigned Demon Lord, Slime Rimuru have now completed the Walpugis and have became a true demon lord by name and status. He too have put the western church in t...

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 an...

Updates on Fridays [Book One] Y/n Naberius the adopted Daughter of Kalego Naberius.... Due to Kalego being busy with his Teacher work at Babyls.... Y/n get babysits from...

Iruma is, as we know, a human in the demon world that can't use magic by himself right? Wrong! He finds a book in one of Babylus's abandoned Library shelves on 'fantasy...

When legends and myths arises once again and a completly forgotten race come forth from the background, what will the demons do about it? Iruma is not a normal human, i...

Arianna is the unknown daughter of the high ranking demon who is the best friend and right hand of the missing demon king Delkira. When her father was summoned in the hu...

iruma is the only one who is the human among all of the demon's in the netherworld, as he wasn't having his own powers,sullivan let him borrow some and also thanks to th...

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...

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...