I Transmigrated as the Fake Heiress and Just Want to Lie Flat

Lin Xin transmigrates. She transmigrates into the body of another girl named Lin Xin. Switched at birth, the newborn was raised by a human-trafficking family and suffered terrible abuse. After finally being reunited with her biological parents, she was still unwanted. Her parents favored their adopted daughter, and no one noticed her depression. She slit her wrists and tried to kill herself. She wasn't even the man of the house's biological daughter. She was the illegitimate child of her mother and Qingzhou's richest man. She thought she could enter a wealthy family and live like a little princess, lying flat for good. But her scumbag billionaire father only wanted her bone marrow to save his beloved daughter, born to him and the daughter of a high-ranking official. After she saves her half-sister, the girl repays her kindness with betrayal and does everything she can to kill her... Lin Xin's head is spinning. Does she really have to be this unlucky? After finally getting to transmigrate, all she wanted was to lie flat and live like a lazy fish...