She traveled through time. She is troubled by her identity after traveling through time. She is the fourth princess of Yirong Kingdom, she is the fourth princess who is not favored, and more importantly, she is the fake fourth princess. An imperial brother who was nominally doting on her, took advantage of her in every possible way. She wanted to escape from the palace and escape from her locked destiny, but she committed a life-long mistake at first sight. For his wish, she was willing to be a pawn in the palace. Just because he promised her a lifetime of youth.