The Concubine-Born Empress

She was an ordinary white-collar worker in the city until a car accident sent her soul back several thousand years, into the body of the Lin family's third daughter. With no hope of getting home, she decides to make the most of the life she's been given. What nonsense is this about being a concubine-born daughter? She won't accept it. Whatever belongs to her, she'll take back, and whoever owes her will pay up.

He is a high-born prince. He happens upon the heroine throwing a tantrum in the street, and from that moment on, their lives become intertwined. You want to beat someone up? I'll hand you a stick. You want to tear down a house? I'll flatten it to the ground.