Wrong Move to Become a Princess

A girl from the Witch Clan, with the hatred of annihilating her clan, lurks in the capital of Dai Viet Kingdom, waiting for an opportunity to take revenge. A failed assassination operation caused her to be reborn as the princess of Dongli Kingdom who came for marriage, and became his princess, but her original body was missing... A prince who has been plagued by chronic illnesses since childhood and was said not to live past the age of twenty-five. A prince who is respected and feared by the world, feared by his family, and guarded by the Holy One, but he has a side unknown to ordinary people... The witch girl uses the body of the princess to mediate with the prince, and fights with the backyard to find her original body and find a way to return to her original body... But if she really returns to her own body, what will happen to her and him?