This Girl Is Not Easy to Mess With

I accidentally traveled to ancient times, but became a lowly little promise. He was not favored by the emperor and was bullied every day. How could this be broken? Fortunately, she had a system by her side. From then on, she fought against the traitorous concubine, tortured the scumbag dragon, and lived a happy life. Let's see how a little concubine can rise up in this treacherous harem and become a mother in the world!