Wearing Books: the Female Supporting Role Is Not Ruthless and Her Status Is Unstable

What should I do if I travel through time and become a female supporting character, get bullied, framed, and finally have my whole family destroyed by the heroine? How dare you make mistakes in order to survive, but there are system tasks to be done, so what should you do? God would not kill her, but she unexpectedly opened up a branch line called Sheng Rufeng as a shield, and even confused the heroine as her sister, and her best friend as her helper. After surviving the calamity of life and death, she chose to withdraw from the world of these people, until five years later, she suddenly reappeared with her son...