He Chose Her Baby, I Chose Revenge

During childbirth, Natalie Quinn is abandoned in a hospital basement when her husband chooses his pregnant sister-in-law and her supposedly S-rank baby over Natalie and their unborn daughter. Left to die, Natalie activates an emergency signal and reveals the truth about her identity: an S-rank white fox and heiress to the formidable Quinn family. When she returns, the Mercers are about to discover whom they betrayed.