The Fake Heiress Survival Game

Transmigrated as a fake noble heiress, Clare Shaw is a low-key schemer. She uses her legitimate noble heiress sisters as shields. Yvonne Shaw, the reincarnated original female lead, vows to take back everything. Conflict includes poisoning, faked death, and baby swapping. When Yvonne allies with the deposed crown prince for a coup, Clare's trump card is the devoted future emperor.