In this novel the wife hates his husband at her first life and likes someone else then later she is killed by her crush then she is rebirthed and then she starts loving her husband and they also have a five years old child plss help me find the tittle or if u have anything related its fine. It was a romance novel
Perfect Secret Love: The Bad New Wife is a Little Sweet I’m not sure if she was killed by her crush since I didn’t see that part in the manga (I went from the manga to the novel so I might have missed it) but the rest falls in line with what you said.