Rebirth of the Majestic Wife manga summary:

The heroine Elaine stood alongside her boyfriend Ethan Xia, helping him fight in the business industry for many years. However, her efforts went through the drain when it was repaid by a car accident instigated by Ethan Xia. Dying full of resentment, she was unexpectedly reborn into the body of Miss Coretta Su. Determined to seek revenge, she uses the body of Correta Su to marry Leo Pei, the ML and opens a path toward revenge.