Shidou is the demon king who's the cruel. But..he's interested in you who is the demon hunter and the youngest. One day all demon hunters against Shidou to fight with them. And..20 or 19 demon hunters were hypnotized by Shidou due to his hypnotize eyes. Then when you're about to kill Shidou's right hand demon suddenly one of the hypnotize demon hunter grabbed you and brought you to Shidou while all the demon hunters who were not hypnotized fought. Shidou looked down at you.