To put it simply, this is a story about a demon king challenging a brave man. To put it more complicatedly, there is a demon king who is forced to reincarnate for hundreds of lives just to kill the (very pure) brave man who has been against him in every life. But something unexpected happened when he died in his ninety-ninth life: the Demon King woke up in a world without heroes in his hundredth life... Demon King: Dear Mr. Hero, I want to chop you into pieces. The pseudo-brave with a brave face: Wait! I'm not...