Daughter and Step-Concubine

Traveling into this strange world, she became seven years old. As the legitimate daughter of the family, she was loved by all and was the proud daughter of heaven that everyone envied. With a gentle father, a gentle mother, and a loving brother, she thought she would be the happiest daughter in the world. But suddenly one day, the brother slipped and fell into the water, the mother died of grief, and the father resumed his relationship. She became an extra person in this family. People often say that if you have a stepmother, you have a stepfather. If you lose your mother, you will only have a stepmother. How will her life change? When one day she can no longer control her marriage, how should she face her future life? Be the royal step-concubine?