Suzuki Iruma, human, 14, is taken against his will into the world of demons, where his doting owner and self-appointed \"Grandpa\" is the chair-demon at his new school. In order to survive, Iruma must deal with a haughty student who challenges him to a duel, a girl with adjustment issues, and so many more scary beings! Can this ultimate pacifist dodge the slings and arrows that are flung his way?
