After Iruma Became a Demon, He Returned to the Human World!

At fourteen, Iruma was sold to a demon by his parents.

By a twist of fate, he became the grandson of Sullivan, a rank-nine demon, and enrolled at a demon school.

After the End-of-Term Holidays, Suzuki Iruma was happily out shopping with his grandfather.

But they accidentally got separated, and Iruma wandered into a magic circle.

Opera, the butler who had accompanied them, grabbed his hand, and unexpectedly went with him...

back to the human world.

"..."

"Huh?"

After being a demon for so long, getting used to life in the human world again was incredibly difficult.

Iruma comforted himself with the thought that at least Opera was with him. He wasn't alone.

But why had this place gotten so weird, too? Cursed spirits? Superpowers? He had no idea what any of that meant!

Why had they dragged him into this?

Why did a simple trip out turn into an encounter with something so dangerous?

What was that green, slimy thing?

Aaaah! Help!

He meets the strongest person in the human world and his students, runs into people with superpowers, and even the world changes when he steps out to change his clothes!

A Sun Blade and a charcoal-selling boy.

And demons.

Iruma is at his wit's end.

Just let him go back to Babyls. He'd even take classes in interrogation every day.

Just let him go to school!

*

Due to special circumstances, Suzuki Iruma enters his wicked phase, becoming composed and forceful.

At the same time, his ability to suppress his desires weakens.

Then, one day, overcome by emotion, he grabs Opera by the collar and lowers his head.

"Opera, will you stay by my side forever?"

The demon replies:

"I will be forever loyal to you."

"I will stay by your side forever."

#How Iruma Becomes the Demon King#

Regular Iruma: Looks innocent, but is secretly a schemer.

Iruma in his wicked phase: Forceful and handsome, but actually very pure-hearted.

Couple: Opera (a cat-like demon who seems serious but is secretly devious and loves mischief).

(A wicked phase is a condition that demons experience when under too much stress. They become unable to suppress their destructive urges and desires.)

P.S. In my version, Opera doesn't know Iruma is human until they reach the human world.

Come for the ship; all their interactions are meant to be sweet.

Theme: Let's make life a little happier!