The First Lesson of the Coming-Of-Age Ceremony Is to Rule the World!

Everyone in my family is a demon king. I can't remember where it started. Every generation in my family is a demon king, and they have all ruled the world, and they must rule once in five hundred years, without exception. On the day of the coming-of-age ceremony, the first task given by my father was to rule the world, the first lesson of becoming a demon king, and set out to rule the world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.