Who is the female emperor who went back to ancient times to be a profiteer?

Jiang Ru. Back to Ancient Times is a mini-play by Tik Tok. It tells the story that Li Tianming, an ordinary young man who traveled through time and space, unexpectedly became a profiteer when traveling through ancient times, and made a fortune by using advanced scientific and technological means. The female emperor is Jiang Ru, a summer female emperor, domineering and smart, and finally Li Tianming, played by actor Xu Ziyin, gets married.