After Rebirth, I Became Pregnant with My Enemy's Child

[Rebirth + strong women and strong men] In the last life, Xing Qingqing became someone else's chess piece and ended up ruined and her whole family died miserably! She has bones and dirt, and her body and head are missing, while her husband marries his most trusted cousin and rules the world. In the next life, Xing Qingqing transforms into the daughter of the Yun family, pregnant with Liujia, and has perfected magical skills and medical skills. She vows to kill her enemies and avenge them. It's just that the cold-faced general she doesn't want to provoke is her son's biological father? Aren't they mortal enemies? Don't you want to strangle each other to death as soon as you meet them? Why would we have a baby together? Strong female protagonist VS domineering male protagonist