Transmigrating into a book and becoming a female supporting character in a sadistic novel

After Jiang Qi died unexpectedly, she was transmigrated into a sadistic novel written by her best friend, and became a female supporting role with the same name and surname as herself. Moreover, she was not an ordinary female supporting role, but the male protagonist's white moonlight and cinnabar mole, the kind of character who must die in the end. In order to ensure that the world does not collapse, Jiang Qi has only two tasks: first, maintain the character setting and complete the plot. Second, she must ensure that the male and female protagonists......