Three Years as a Substitute, My Ex Regrets Deeply

Ivy, an illegitimate daughter in New York, married into a wealthy family in place of her sister, becoming the stand-in for her husband Alexander's beloved Serena, and endured three years of humiliation. When the contract ended, she fled with the money and unexpectedly met European noble Leonardo, finding true love. Upon discovering the truth and Serena's true nature, Alexander desperately pursued his wife, only to be firmly rejected by Ivy, who was supported by Leonardo's overwhelming strength.