Heroine: Xiao Qingyan, the eldest princess of the Yan Dynasty. She appears to be a favored daughter of heaven, but is actually smart and tolerant. She secretly helps her younger brother consolidate imperial power and is the balance behind the scenes in the court.
Male protagonist: Yu Wenjue, the protagonist of Beiliang. He looks suave on the outside, but in fact he is very deep in the city. He has an unknown mission to restore the country and disguises himself as a playboy.
BE Keynote: The two started out as a trial for political marriage, and got to know each other at the moment of sincere commitment. In the end, due to the stance of their family and country, and their status and fate, they headed towards an unbridgeable gap. They ended up with the eldest princess personally sending off the proton in order to ensure the stability of the country, leaving the eternal regret of "I will not be responsible for the world, but only one person".
