The Days of Being a Sister to the First Emperor

In the new era of the future, Zhao Yuyang will pass through a black hole and cross time and space through a space-time machine. She became the posthumous daughter of King Qin Xiang and the half-sister of Ying Zheng, who just inherited the throne at the age of 13. Yuyang has read history, but she is not a history major. She only knows that the First Emperor unified the six countries. But I didn't know that the historical records mentioned a few things about the turbulent life before taking office. Cheng Xi: Oh, one is rumored to be Lu Buwei's child, and the other is said to be the posthumous son of his father. Who knows if it is... Zhao Ji: Yuyang, Zheng'er, remember to call Mr. Zhong when Prime Minister Lu arrives. Queen Mother Huayang: Yuyang, good boy, come here and let grandma take a look. Young Master: Yuyang, I am your uncle. After Gongzi Xi and Zhao Ji got together, Zhao Ji became pregnant again, and the Qin clan had a new support target. Ying Zheng: Sister, only I and you bleed the same blood, and my mother will also be against us. Yu Yang: Brother, I know, I've tested it! I am closest to you by blood! Later, Yu Yang grew up: Brother Wang, wherever your sword points, I will lead my troops to attack it—— Food guide: 1. The heroine is really my sister and will go back in the future, so there is no CP 2. The heroine has scientific research talents, but most of them were difficult to use during the Qin period, especially when she was still young. 3. The sources of historical records, some wild unofficial history and analysis, and then the imaginary world is created without too much research. Purpose: Be the protagonist of your own life