Genius Doctor-Stunning Young Lady

She is a genius doctor of the 26th century. A silver needle can save a dead person; a pill can poison a living person. She traveled through time overnight and became the eldest lady in Ouyang Mansion that everyone yelled at. He has no ring spirit, is arrogant and incompetent, and is a direct relative of the royal family, but his fiancé shows up with a new love? This is the proud daughter of heaven, but you are so arrogant and arrogant! With the silver needle in my hand, I have the world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.