I Help King Qin Bring Peace to the World

Huang Xuan, who graduated with a master's degree, did not expect that graduation = unemployment. It was hard to find a suitable job. The first time I worked, I traveled back to the Qin Dynasty. Huang Xuan, who won't be able to go back for a while, can only make peace with what he has come to. Gradually grew up to be King Qin's most effective general. Help the King of Qin to govern, destroy Lao Ai, and unify the six countries... A special friendship developed between the two. However, as the King of Qin insisted on burning books, harassing Confucian scholars, and seeking immortality and medicine, the relationship between the two developed a rift. Until one day, a meteorite fell from the sky, and the inscription "The First Emperor died and the earth was divided" was engraved on it. ... After experiencing various events, can Huang Xuan safely return to his own era?