My Identity Was Stolen by My Maid

To enjoy an ordinary school life, Seo Hae-in, heiress to the MK Group, hides her true identity. But her family's maid's daughter claims to be the MK heiress and seizes everything that should rightfully belong to Hae-in. Branded a liar and bullied, Hae-in resolves to reclaim her identity, her honor, and her life.