A Princess from Another World Refuses to Marry the Ninth Prince with Kidney Deficiency

Is the Ninth Prince suffering from kidney deficiency? I won't marry. Father dotes on his concubine and kills his wife? I took my mother to divorce and sent my brother to be a general. Qin Yi, a modern man, died suddenly due to overwork in taking exams, and his soul is wandering in the world. Qin Yi, who had the same sound as Qin Yi in another time and space, gave himself up after being abandoned by his father and humiliated by his servants. Qin Yi's soul was forced to be inhaled into Qin Yi's body, but this Everything seemed to be no coincidence. In this world, she used her medical knowledge from her previous life to save the Ninth Prince who had been ill for a long time. As they got along for a long time, the two fell in love with each other, but Qin Yi did not know that the person she was treating was the Ninth Prince she was about to marry. Holy Mother's Heart? Sorry, I don't have one. Faced with slaves who bully her, let them feed with dogs, face her aunt and father who harm her, face her concubine who wants to push her into the abyss, death is too easy for her, and it will destroy everything she cares about. See how Qin Yi slaps them in the face, and how he sends them to death. Faced with the crisis-ridden court, see how the two of them work together to kill the enemy step by step.