Originally, he was the Demon King who was the ruler of the Demon Realm. But one day, when I woke up, I realized that it was not the earth of this world. Moreover, he had to live as a dirt spoon Kim Min-chul. It was a life without horns, but the dream of the Demon King is grand. In a capitalist society, the supreme truth is money. The Demon King uses his magic power to start a new business.