They know each other, get along with each other, know each other, love each other, and stay together. In short, a man disguised himself as a woman and entered the palace as a concubine for his sister. He originally planned to be on good terms with the emperor, but unexpectedly, a marriage started. See this article for details. Ps: Double perspective of attack and reception. Mainly attack the emperor. This article is empty! Don't join the Party if you are strict about it!
Conception: