The Awakening of the Demon King

I was once a knight worshiped by thousands of people, but I was framed to seduce the demons and was expelled from the empire. I was reduced to the territory of the demons. In the demons, I went through all kinds of hardships to find the demon treasure and became the demon king. At the same time, I also saw clearly the corruption of the empire, so I decided to attack the empire. I wanted to become the king of this world. After I became the king of this world, God was dissatisfied with me for disturbing the order of the world and wanted to kill me. But am I really so easy to kill... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.