Time travel to become Fusu, coincidentally the death of the First Emperor, and the edict for Fusu to commit suicide was sent to Fusu. After time travel, if you had known the development of the story, you would definitely not agree. After a struggle, he succeeded to the throne smoothly, but although the internal troubles were eliminated, the external troubles could not be solved, and even the threats of Xiang Yu and Liu Bang were great. The burden of saving the Qin naturally fell on Fusu, how to subdue famous generals such as Xiang Yu and Liu Bang. Of course, you have to rely on the system brought by time travel. Recovering China and unifying the world must be completed by you.