Perfect Her

At the tenth wedding anniversary celebration of Bai Li and her husband, Ye Yun Kai, she meets her college junior, Su Yu. At this time, Su Yu is Ning Mo Chen's boyfriend. Ning Mo Chen schemes to let Bai Li find out that her husband is cheating with her. Later, Bai Li and the mistress fall into the water and their souls are accidentally exchanged. Bai Li wakes up with the mistress' soul and begins her revenge.
(Source: iQiyi)
~~ Adapted from the manhua "Jiu Ai Xin Yan" (旧爱新颜) by Yoolook (有鹿文化).