Oh, My Darling Princess

Su Xiao, a girl from the modern century, accidentally transmigrates to ancient times and inhabits the body of the Second Lady of the Prime Minister's manor. Pushed around and often brought to her knees, the Second Lady falls in love with a complete jerk before dying in the hands of a malicious villain. However, from now on, she will no longer be a foolish, meek little girl! She will make all of her enemies pay... Very, very dearly! (Source: WebComics)