The CEO Regrets Our Divorce

In her past life, the female lead loved a deadbeat jerk. He and his partner persecuted her, seized her property, and tried to use her child, leading her to suicide. Reborn as a billionaire heiress, she found the deadbeat jerk trying to curry favor. She used her new identity to expose him and met the male lead. They went from bickering to mutual admiration, bringing the deadbeat jerk to justice and finding happiness with the male lead.