Oh! My Emperor 2x2u8
Overview:
Luo Fei Fei, a girl from the 21st century, was transported to a mysterious world of the past -Huang Dao Guo. In the nation of Huang Dao, its leadership is rotated among the 12 constellation owners every thousand years. There, Fei Fei meets the current emperor of the nation, Bei Tang Yi, who is also the owner of the Capricorn constellation.