God's Unlimited Pearl: Demon Lord's Love

Thirteen hundred years ago, the demonic army attacked the human world and returned with a great defeat. A thousand years ago, the demon world attacked the human world again, and the human world suffered heavy casualties. The demon king claimed that after a thousand years, he would cultivate a stronger demon king who would rule the three realms of humans, demons, and gods. Now, I will inherit my father's last wish; if the human world is unfair, I will replace him. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.