Lan Hua lived to be 150,000 years old, and he could only count the number of his friends on his fingers. Si Ming Mo Nian, who has been unreliable for thousands of years, thinks he has a fresh and refined destiny. If something goes wrong, she, Lan Hua, has to come to the rescue. Half a page of prosperity is written down, entrusting Chang'an with a long and prosperous freehand life. Half of Chang'an, half of Chang'an. However, how can the oath of Chang'an and the beautiful Chang'an be written down in half a piece of paper?