The brave man adopted the reincarnation of the Demon King who was his mortal enemy! A new turmoil began surrounding this child.
The hero's comrades from many years ago and the remnants of the demon clan all want to compete for this child and the power in him. The grandson of the brave man and the devil reincarnated and came into contact with the dark side of human nature while on the run. Will the devil be fully resurrected in the end? Or still live as a human being?
Concept: The struggle between the darkness of human nature and the light of human nature.