Xijing, the most prosperous capital city in the world, is an ordinary-looking house. The plaque at the door reads "Yunzhai". There lived a Taoist priest in green clothes, with an ordinary face, but a pair of deep eyes, revealing an astonishing strategy. If you walk into this room, the first thing you see is not the Taoist priest in green clothes, but the letters in the place. The letter paper is red with white lines, which is unusual.
"General rebelling? At the end of the month, we can extort a sum of money from the emperor."
As he spoke, there was a knock on the door.
"Feiyue, go and open the door."
The young man named Fei Yue opened the door and saw a boy, about six or seven years old, with messy hair and clothes that belonged to a girl.
"My surname is Yun. When I saw that this was Yun's house, we were destined to meet each other. I know how to sweep the floor and can help with the cleaning. I wonder if you can take me in?" The child is quite cute. But, surnamed Yun? Could it be the extraterrestrial visitor that the master mentioned?
"Please come in."
…
When is the situation in the Jianghu raging? Visitors from outside the world shake things up.