After being married off by my younger sister, I took care of the sickly prince

The strongest supernatural person in the 749th Bureau, Jiang Yun, traveled through time. When Jiang Yun was preparing to live a peaceful life, she found that her stepsister was reborn. In her previous life, her stepsister Jiang Zhu married into the royal family and became the queen, but she experienced the loss of her country and was humiliated in every way and ended up tragically. In her new life, Jiang Zhu seized the opportunity to take the initiative, poisoned her original body, and robbed Jiang Yun of her life. God let her live again, and it was her turn to enter the Qingyun Sect and become a well-known figure, accept the worship of the three countries, and enjoy a noble life. Jiang Yun said: I'll give it to you, I'll give it to you! But as time passed, the noble life that Jiang Zhu imagined did not come. Instead, she watched Jiang Yun with that sick...