I Lost the Leash of the Yandere Male Lead

I transmigrated into a novel and became the villainess, Serina who comes from the noble Ducal Melford family. As a well-to-do character, I tried to mind my own business, but the story had other ideas. A self-proclaimed mother brought back a boy – the duke’s heir and a genius wizard – intent on brainwashing and blackening him.