My Best Friend and I Double Dress and Become the Hostess

Modern best friends Gu Qingci and Qin Wanyi traveled through time and space respectively to become a concubine and a female general at the border. They used historical wisdom and fighting skills to defeat the enemy in the deep palace battlefield. They communicated secretly despite being thousands of miles apart, and finally joined forces to rewrite the fate of the dynasty and create a legend of female alliance.