I'm Just a Charlatan

Han Yu, a hardworking office worker in a certain company in the 21st century, woke up after working overtime all night, only to find that he had traveled to a strange world and became a little Jianghu guest named Lu Qingya, thus embarking on a path he had never imagined. Along the way, he gradually became a world-famous master from a little-known wanderer, and gradually revealed the truth about his time travel.