Manga by author Adobedam

Princess Violetta, who was exiled for being mentally ill, was killed at midnight by unidentified men. Ebigail, the lady in waiting, has never expected death to arrive for her that night. But before she could die, Lakiel, the Duke of Edelgard, appears, announcing that he will make her the empress."I cant. Please.""I could ruin you. "Just like that, destiny changed overnight, and the Imperial Palace biggest fraud begins.