My Backyard Leads to Ancient Times, and the First Emperor Came to Ask for Help

[Travel through the heavens + save historical celebrities + change history + fill the heart with uneasy feelings] Zhang Yu was lying in the dean, and a man wearing a black dragon robe walked out of the time and space channel. His domineering Shaanxi dialect reproduced the tyranny of the First Emperor two thousand years ago. What? That bitch Xu Fu actually dared to deceive me. Wait, let Li Xin destroy this island when we get back! Uh-huh, uh-huh, uh-huh, the man in the dragon robe stared at the map and muttered to himself. Zhang Yu felt that he had done something great. In a parallel time and space, there might be only one language left in the end. It turns out that Zhang Yu accidentally obtained the destiny system, which connected his backyard with various parallel worlds. Ancient emperors and generals could come to his courtyard for advice through time and space channels. He could also travel to ancient times through the courtyard, complete missions one after another, and even replace some special people. As time goes by, huge changes have taken place in each parallel space and time. Huo Qubing hits Europe! Yue Wumu welcomed back the Second Emperor! Zhu Youxiao did not have Luoshui, and Chongzhen did not have to hang himself on a crooked neck tree! …