History never has a chance to come back again. Although it was an accident, it did return to the Ming Dynasty from the 21st century. Reborn in a famous family of the Ming Dynasty, the turmoil of Jingnan has passed, Zheng He's fleet has sailed on the sea, and the family has reached the top of the dynasty. A butterfly, traveling through thousands of years of time and space, came to this glorious era, taking you to see the prosperity of the market, taking you to drink and chat with the top guys, and taking you to find all the answers. I just don't know how much change he can bring to this world by flapping his little wings...