 Gao Zhan became emperor (as Emperor Wucheng) in 561 AD after the death of his brother Emperor Xiaozhao, and he created Princess Hu empress and Gao Wei crown prince.In 565, in order to deflect ominous astrological signs, he passed the throne to Gao Wei, although he retained imperial powers as "Taishang Huang" (retired emperor).Lady Lu brought Luo Tipo into the palace to serve as a playmate for Gao Wei, and they carried out many activities together.