For decades, the world believed demons were nothing but a dark chapter of the past, wiped out by humanity's magic-powered victory. But within the halls of the Magic Academy, a group of young mages sense otherwise. They believe the threat still lingers. No one takes them seriously... until they fall into a trap set by a cunning demon.

Now, with danger stirring once more, how will they fight back?

And when the truth resurfaces, will the world be ready to face its worst nightmare all over again?