She is the sister of the fifth elder brother and the emperor's favorite princess. She went to pray for the country with Lafayette and Concubine Yu since she was a child. She could not stand the desertedness of Mount Wutai, so she returned to the palace. But since she returned to the palace and met Xiao Yanzi and Ziwei, her life has become extraordinary and rich and interesting, not only because of Xiao Yanzi, but also because of him. They met each other when she was five years old and he was six years old. They fell in love with each other when they were childhood sweethearts, but because of her departure, they only left missing. That year, when she was eighteen and he was nineteen, when she returned again, he made up his mind that he would never let go this time.