Duke's Daughter Margarita Frost Reporting For Duty

The woman came from another alternate world where the world was covered by a disease that caused the human to become zombies. Died from being betrayed, she struggles to trust people. Reincarnated as the Duke's daughter Margarita Frost. Laced with the mischief and simple mindedness and pettiness of her enemies. She desires to return the 'favor' they once gave her and make them all feel what suffering really feels like. But the journey is not as cold as the one from her past life. She now has people to trust and rely on. Even someone to love?