The Arrogant Little Prince Is Redeemed

She is a scientist in the civilized world of the 22nd century and the only descendant of the ancient martial arts family. In an accident, she time-traveled into the body of Fan Ruofei, the abandoned daughter of the Fan family of three major families. He is a prince who is obviously worthless, but secretly is extremely rich and powerful! An accident happened, she saved his life, she redeemed his life!