Liu Qingyuan and Lin Youhang are the commanders of Yuhe and Feng Ling respectively, and they are also partners. In order not to reveal their identity, Liu Qingyuan usually ranks first in the list of two talented women in civil and military affairs, and is awarded the title of Princess Murou. Lin Youhang is also canonized as King Yi because he is invincible and has added several more countries to Dayu Kingdom. The two help each other, and eventually develop feelings in the ordeal of symbiosis and death.
Purpose: Record life