In the fifth year of the Zhenguan era, in the eastern market of the Tang capital.
Li Yu is selling a hundred lighters.
These modern objects quickly draw the attention of passersby in the Tang Dynasty.
Before long...
"I sold a hundred lighters for 1,600 copper coins. What a huge profit!"
With a bundle of copper coins, Li Yu returns to 2021.
But then...
The news reports: "Archaeologists excavating Changsun Wuji's tomb have discovered a lighter inside the coffin!"
"The most precious painting of Tang Emperor Li Shimin has come to light. The person depicted is holding a lighter!"
Li Yu takes one look and is stunned.
"Isn't that me in the painting? How am I in Li Shimin's most precious portrait?"
As Li Yu travels through one dynasty after another, emperors from every era keep thinking about a mysterious man.
Qin Shi Huang: "Pass down my decree: Find that mysterious man throughout the Qin Empire!"
Li Shimin: "Have Yan Liben paint a portrait of that man. I must find him!"
Zhu Yunwen: "Hurry and invite that mysterious man to the palace!"
This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.
Just the writing, regardless of the story, there are four grammatical errors in the first twenty sentences, and two sentences do not make sense. However, it can be seen that you have paid great attention to it, and you have not found any typos. It seems that you have corrected it carefully.