Miraculous Doctor and Crazy Concubine: the Sinister Prince Please Be Pampered Gently

She was a miracle doctor in her previous life, but she traveled back to the body of a princess who was beaten to death by a scumbag on her wedding night. She carries with her a system that can access all modern medical equipment. The scumbag regretted not getting along? Hit it directly! Does Green Tea embarrass her all day long? She is a pro at fighting green tea! But what happened to the sinister prince? She kills someone, and he hands him the knife!