After Traveling Through the Books, I Became the Evil Stepmother of the Villain

[System+Sweet Pet+he+Shuangjie] Li Xi had congenital heart disease since birth. Later, a heart attack caused Li Xi to leave this world. When she woke up again, she found that she had arrived in time in the book, and was bound to a system. She also had a super-rich CEO husband and a fifteen-year-old cheap son, and her cheap son was the villain in the book. Li Xi's other mission is to prevent Cheap's son from going astray and returning to the right path. But during the task, the little villain's father looked at her more and more differently. By the time her pregnant belly bulged, Li Xi could no longer run away. From then on, Li Xi lived a beautiful life with a doting husband and a filial son. Live. [The son is not the hero's biological son! ]