The Janitor Who Was a King

She married a janitor to escape a billionaire—and discarded him like a failure. The world mocked the rejected husband. But he is not a janitor. He is the Demon Lord, ruler of every demon. Trapped in a haunted manor and chosen as a sacrifice, his power is awakening. When he remembers his true self, the world will be at his feet. He was thrown away. He will rise as their nightmare.