Reborn in the Best-In-Law's Family

In her previous life, she was a kind-hearted woman who concealed the fact that she was infertile for her husband. She endured every step of the way and sought perfection in every possible way. However, she was plotted by her husband's family and was eventually ruined and died miserably at the bottom of a cold lake. When she woke up again, she vowed never to be a puppet at the mercy of others again, she would be the queen who controls her own destiny! Whatever you owe me, pay me back!