Our 17-year-old protagonist, Hojin, suddenly gets summoned and is asked to be a hero. But soon enough, the king realizes that he has no magical power at all. Being regarded useless, Hojin soon gets sentenced to death, but the princess asks him to 'lighten' the death sentence. A bigger conspiracy and a journey with twists and turns are awaiting our protagonist. Can he make it back to his original world, even when he's now a demon?