Face-Slapping System

A marvelous doctor of modern times is transported to ancient China and reborn in the body of a dumb girl. She decides not to be a pushover anymore! In order to avenge the girl's death and punish the murderers, she activates a "face-slapping system", makes elixirs, grows stronger, and happens to conquer one of the most powerful men of her time, making herself a league of her own!