The heroine has cancer, and there are still three months to go. In the first two months, the heroine's best friend and the heroine take revenge on the people who hurt the heroine. In the last month, the heroine's best friend gradually leaves with the heroine.
Abuse + semi-revenge + best friends in the world + heroine's cancer + three months + death of the heroine + the real daughter of a wealthy family who doesn't care + everyone who protects the fake daughter + others only repent after the heroine's death + the heroine's best friend tells all the truth in public and then leaves with the heroine
