Read WHY I QUIT BEING THE DEMON KING Novel Online Free - All Novel Book Learn more The Era of Chaos. For 665 centuries, the Demon King had invaded the human realm. It was the brave Hero who put an end to that relentless war. Through their sacred sacrifices, humanity barely survived. However, this is the tale of a new Demon King. Demon King Demiourgos, the 666th. "I quit being the Demon King." With a single proclamation, he abruptly left the demon realm.... Learn more