Jugil Su Eopdamyeon Saranghaseyo

In a kingdom scarred by a historical rebellion, Penny, an assassin masquerading as a servant, aims to break free from Queen Nyla's grasp by executing a perilous mission: the theft of the king's ring from Princess Cher, known as the wicked Princess of Death. Yet her intentions take a turn as she slowly becomes captivated by the princess. As their destinies become entwined, Penny grapples with a dilemma, torn between her pursuit of freedom and the unexpected connections she forges with Cher.
(Source: Tapas)