She's Back for Revenge

In her previous life, the wealthy heiress was betrayed by her nanny and the nanny's daughter, who usurped her position and slandered her to her own parents, leading to unbearable humiliation and ultimately, a brutal murder. Reborn, she takes on the wicked nanny, disgraces the nanny's daughter, exposes the true nature of all the villains, and lets them bring each other down. In the end, the wealthy heiress not only finds love but also attains a satisfying life.