So What If I'm a Concubine? After Becoming Black, I Will Kill Everyone

As a concubine of the Mu family, Mu Ting has been the servant of her eldest sister Mu Yan since she was a child. At the tender age of 17, he was pushed into the bridal chamber by his eldest sister and had sex with him... Suffering all kinds of difficulties and persecution, she was unable to escape and finally turned black, killing everyone everywhere, causing the people to kowtow and the government and the public to be in turmoil!