How was Xia conceived?

The emperor met Xia and became pregnant with Ziwei.

1. In the story of Princess Pearl, Qin Shihuang met his mother Xia because she was hiding from the rain. At first, she sat in a small seat, and then she became a nerd. After a short stay, Xia got pregnant.

2. Princess Zhu Huan mainly tells the story that Xia Ziwei, a rich girl, came to Beijing from Jinan to find her biological father during the Qianlong period. After many confusions, Xia Ziwei and Little Swallow become sisters.