Diablo

Several years had passed since the founding of Tempest. The nation of monsters had become a place where different races could finally live side by side. But Rimuru Tempest decided to go even further—he created the Tempest Academy, where young mages, warriors, and future rulers could study together.

Today was the first day of the new school year. The academy's corridors were filled with the noise of students curiously surveying the vast halls, training grounds, and magic classrooms.

In the director's office, Rimuru sat at a large table, looking through documents with a slight, tired smile.

— Well, there you go... even more responsibility. I wonder how many problems will arise on the very first day?

His deputy, Diablo, stood nearby. As always, he was perfectly calm, with a polite smile and impeccable manners.

"There's no need to worry, Lord Rimuru. As long as I'm here, no problem will be able to disrupt the academy's order."

He bowed slightly, but something dangerous flickered in his eyes. To most, he was simply the vice-principal and magic instructor. None of the new students yet knew that behind that calm smile lurked one of the most powerful demons in the world.

And it was on this day that a new person arrived at the Tempest Academy, whose appearance could change the usual order of things...