The Evil Mother's Counterattack Through the Book

Lin Ranran traveled through time. She actually traveled back in time to a book she had read and became the vicious female supporting character in the book and the ex-wife of the male protagonist. Beating children and abusing the little boy he gave birth to, Later, the kind-hearted heroine regarded the son she gave birth to as a treasure. In the end, he succeeded, but she, Lin Ranran, got sick and died at a young age. God, why did you let her travel through time and become such a vicious woman? She's not married yet, okay? Setting: More men and less women, one-on-one, pampering.