One day Suzuki Iruma recevies a letter from his parents telling him he will study in America at a very special school. What awaits Iruma when he finds out this special school is a school for ghouls ? Lots of funny moments and much more. Both series belong to there respective owners.

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? (Releases every other week on Saturdays!) (I also made a discord for discussion and questions. The link is in my profile's description.)

(Spin-off of Welcome to Demon School, Izuku-kun!)(crossposted on A03)(co-authored by Hazard Overflow) Iruma Suzuki, a boy just doing his job to survive in a difficult world, meets a hero, and suddenly his life is much more dangerous and happy at the same time.(Double update today!)

Izuku and Inko get adopted by Sullivan, and cause the Demon World untold levels of potential change. Act 2-Survival of the Fittest (Co-authored by Hazard Overflow, cross-posted on A03)(five chapter update!)

AU. Dark Schneider has fallen in battle and this time he has died for real, but all of his dark magic was left behind and somehow all that powerful dark magic have enter into the baby body of little Iruma. 15 years later, Iruma will experience of using the dark power of Dark Schneider to protect the world from great evil wanting to destroy the world. Harem. Dark Adventure!

Iruma was just a down to luck boy who was always explored by his neglectful and dumb parents. It ended up with them selling him to an old rich man called Sullivan, who always a grandson. However, Iruma is quirkless and doesn't has any combat ability or an idea on how to become a hero. However, with Sullivan and his friends, Iruma would become someone that the hero world will needs.

¿que es lo que harías por tu hambre? ¿que estarías dispuesto hacer para sobrevivir? ¿Acaso le venderias tu alma a un demonio por la salvación? Crossover con Horrortale y Dark House Au / Lincoln con apariencia de Aliza / Harem / Loudcest

[Years after both series ended] The Boiling Isle civilians discover that they were sealed away from the rest of the Netherworld until now. Luz must endure the Collector's curse following their defeat. Demons are disappearing on the Boiling Isles. Amity struggles with a question. A teenage King, void of ambitions, finds himself connected... to Iruma and Ameri's unborn child.

Izuku has weird luck. Wait! You don't believe Me? Then how will you explain this? Izuku Midoriya a boy once regarded as the hero and savior of Japan. Got reincarnated, was sold to the demon by his scum parents, became a demon's grandson, and now has to attend a demon school with Nana in his head and the power of One for All in his hands.

This is a story of a boy who would become the hope of an entire realm.The one will save people in their times of despair. The Demon Realm is about to witness the rebirth of Kamen Rider Wizard.Now It's Showtime.

Mixing the world of Demon School and Hazbin Hotel/Helluva Boss (I Own Nothing)

Koan, ryuko and the group has finished Honnōji Academy and defeated their enemy. But their next school is fill with demons along their new friends. irumi sukuzi, the step grandaughter of a demon. Now the agent of choas will make the demon school goes upside down and face old and new faces of enemies return"

What happens when characters from Devil May Cry enter the universe of Welcome to demon school! Iruma-kun perhaps a crazy and new adventure lay in store this is an AU Harem story.

Glynda Goodwitch had her soul sold to a Demon, how unfortunate (I Own Nothing)

It was a perfect day for Iruma Suzuki who has been force to do lots and lots of work, it was the day that he decided to confess his love to one kind and strong-hearted rick girl named Selnia Iori Frameheart, hoping to become her boyfriend. But everything in the world fell apart when Hell broke loose. They must survive this new Hell together. Iruma/Harem. Other Crossover stuff more.

Iruma lived an awful life of being forced to work by his idiot and selfish parents, but after being killed by a runaway murderer fate has given him a chance to start a new life which ended up him reincarnated as a Demon Lord and the powerful slime Rimuru Tempest becoming his son with more crazy things in this new fantasy world! Iruma x Harem. Rimuru x Shizue. Lemon. Slight OP Iruma

After the TARDIS fell out of the Time Vortex, Theta Sigma, a 14 years old Time Lord that in the future will be known as "the Doctor", arrives in the Netherworld, where all Demons live. But, luckily for him, a kind Gargoyle-like Demon named Shichiro Balam decides to take care of him, and makes him enroll to Babyls, a Demon School. There, many shenanigans will wait.

Iruma and Tsunahime found an unconscious man in an abandoned temple. Of course it's in their nature to help him heal, not knowing the many changes it will bring. Fem-Tsuna!

The Destined Hero who shall take down the Demon King, has failed? Reborn in the DxD world, (With a few added characters) The Hero must live out his new life as a Devil under his master, Bachiko Barbatos. (Rated M cuz DxD, why else?)

"Everything has a price. Some prices are smaller some are bigger , mine was bigger but right now nothing it cant be undone i just hope this was the right decision" said Lincoln.

Ranma has become inhuman and goes to the Netherworld to help train a young human that lives among demons.

A certain group of Minuses ends up in the world of Demons, they'll fit right in (I Own Nothing)

The Demon King Anos Voldigoad sacrificed himself to stop the war between Humans and Demons, erecting a barrier between the two worlds to ensure conflict never arises again. Thousands of years have passed since then, and the Demon School Babyls is thriving with new students every year. With the former King to soon return, just what trials and tribulations await?[Adventure][Harem]

Here's an interquel of the crossover, staring Tsukune Aono and Iruma Suzuki.

Gon accidentally signs a contract which sells him to the Demon Sullivan who wants him to be his grandson with a boy named Iruma. At first, he wants to get back to his family, but he wants to at least give Sullivan-san a try and give Iruma a kind cheerful point of view of this new life. While in Demon School Iruma and Gon are going to have lots of challanges.