My best friend is wearing a double body! Marry the emperor! Help me win the throne

[Bestie double-travel + palace fighting + double strong + face-slapping cool story] Xue Youli, a doctor of medicine, traveled into the palace fighting story written by her bestie, and became a cannon fodder female supporting role whose identity was replaced by a fake daughter. In order to change the fate of the whole family being executed, she took the golden finger and rushed into the harem, intending to outlast the emperor and become the empress dowager. Who knew that the fake daughter heroine was reborn, and also set her sights on the position of the empress dowager, and tried every means to kill her. Xue Youli countered every move, and the knife man was ruthless! In an accident, she discovered that the frail emperor had misogyny and was allergic to women! So, she reached a consensus with this young, handsome and short-lived emperor. She treated his illness and he protected her. The two only talked about cooperation, not feelings...