Why does no one remembers the true world The era when the great race of the five tribes competing for hegemony on the ground ended with the victory of mankind led by hero Sid However that world was suddenly overwritten in front of a boy Kai In the rewritten world Kai saw the scene where humans lost to the five tribal wars because of the absence of hero Sidhere dragons and demons dominate the ground and Kai is a forgotten existence from all human beings However after encountering the mysterious girl Rinne Kai decides to break this rewritten destiny In a world without heroes he inherits the hero sword and martial art and challenges the mighty enemy races who reign
