When the dawn is the only other witness to the murder and last breaths of one truly innocent, a phoenix demon is born, saving the life of the innocent in the process. There hasn't been a phoenix demon in thousands of years, but when Suzuki Iruma's parents try to poison him at age 10, he gains a little sister. Years later, Sullivan gains a bonus granddaughter!

During one of Stolas Suzy-sensei's lessons, Iruma accidentally makes another tree that only exists in the Human World. But this time it's an apple tree. Seeing the fruit that he created, Iruma decides to give one to Kalego as a thank you gift. However, there's also something about this strange fruit that Kalego can't help finds it to be familiar.

An old adversary has appeared within Babylus, much to the chagrin of the faculty. This demon is ready to sink her fangs into anyone to get what she desires and what she wants is...Kalego! Despite his strength, this will be one Hell of a fight.

Iruma has a fever, and it was his dumb luck that leads to a certain teacher discovering his secret.

In which a girl finds her ambition, consults perhaps too many books, and learns to stand on her own two feet, while the darkness from the deepest crevices of the Netherworld slowly creeps in. Featuring Original Female Character.

AU-ish. It was late when Iruma finished with Ameri. So being the gentleman that he was, Sabnock offered to be Iruma's wings home. When Asmodeus knew of this, a love triangle erupted almost overnight. Declaring Sabnock as his rival, Asmodeus became relentless in pursuing Iruma's hand, not expecting that their leader already loves them both. Triad. AzzXIruma, SabnockXIruma

Just a simple one-shot. Rated because I'm paranoid

Prince Iruma and Princess Irumi, the children of the Demon King, going through their school life while readying themselves for the future of the Netherworld. Retelling of the series based on the fic 'The Demon King has no idea how to Parent' by Sol Victoria on AO3. Why? Because it's a pretty good series and I need more fluff.

Iruma was sold to Sullivan by his idiot parents, he didn't just get a new grandfather, but also a new demon mother who happens to be a war hero and strong passion for archery known as Barbatos Bachiko as she will have to help Iruma get use to his new life in the Netherworld while attending the demon school, Babyls. It's a crazy and funny adventure how mother and son will get along.

Isabelle continues living her new life with new friends at a new school, with secrets to reveal and keep and new demons to meet. Does she have what it takes to make her time in Babylus all the worthwhile?

"Iruma solo quería hacer una travesura, nunca pensó que todo terminaría en alguien en la enfermería, una azotea congelada y varios amigos disgustados." [LiedIx / Purson x Kerori / AzzKura / IruAme]

When Ameri is taken by rogue familiars Iruma teams up with a Cherubim named Sorath to save her.

Sequel to Weekend of Unfortunate Circumstance. Iruma finds out about what happened between him and his teacher and seeks to apologize.

AU, rated because I'm paranoid and OOC and character bashing. Rumors spread throughout the school and many believe them

This is going to be a series of one shots related to events in the main series. Some could fit right into the canon. Others will be 'what if's.'

Simple one-shot, rated because I'm paranoid.

One-shot, rated because I'm paranoid.

[Yaoi] "El miedo de sus ojos, es su mejor combustible para seguir" [Kirio x Iruma]

Una extraña situación dentro de la academia Babyls provoca que Iruma y Amelie den un nuevo paso en su relación floreciente (Día 11: Primera vez (No sexual) Flufftober 2021) (IrumaxAmelie)

Slight AU and rated because I'm paranoid. After being freed from school, Clara changes for the worse and Iruma doesn't know what to do.

Iruma makes another friend, the large, lumbering Leshrac, a tall woodland spirit demon who wants to be acknowledged for more than his sheer size. OC story

In the distant future, Ameri watches Iruma receives his coronation. But the one sharing the King's greatest moment will not be her. She watches on with sad eyes, took a deep breath and left the grand hall. As always, she's married to the demon world. And it's her duty to keep it safe. Asmodeus X Iruma. One shot.

During Walter Park, the thirteen crowns heard of the news and deemed it fit to give everyone involved a rank up. When Amduscias decided to promote the entire class to Daleth following the events of Music Festival, Iruma who was already ranked He was promoted to rank Vav. This has unexpected consequence on Alikred. May turn to Iruma X Asmodeus but undecided for now

One Shot. A fluffy familiar. An age reversal potion. A mischievous cat. A weekend of cuddles.

Kalego wasn’t expecting to find a shaken Iruma after the Harvest Festival, but now it’s up to him to make things right again.