This inevitably makes me curious about the prototype of the heroine, the real concubine Li of Yongzheng and Qi in history. When I searched the Internet, I found that there are so many discussions about the favorite woman of the Fourth Master Yongzheng, including speculation about the famous Yongzheng beauty picture. Most of them think it is the imperial concubine Nian, and some think it is Concubine Xi ~ Qianlong's biological mother (influenced by the TV series). But is this true?
We don't know the historical truth, nor can we analyze the fourth master's true feelings, but from the information we can find, I don't think Nian is his favorite woman.
Conception: