Qin Er: Hu Hai's Struggle

Ye Chen traveled through the Qin Dynasty, only to find that the world had undergone tremendous changes. There was more than one traveler and more than one system in this world. He could pick up other systems from the corpses of other travellers. The person who told him this secret was another time traveler, Hu Hai, the Second Emperor of Qin. However, Ye Chen asked him to exchange passwords at the beginning. Hu Hai high-fived him, saying that there is a way to heaven if you don't take it, and there is no door to hell if you go to it. This world is a dark forest, and the most dangerous enemy of a traveler is another traveler.