The Cannon Fodder Real Heiress Awakens, Then Turns Sweet and Sassy

Xu Nuo dreams that she's the real heiress of a wealthy family, switched at birth on purpose. After she ruins the marriage her biological parents arranged for her, they reject her for being selfish and spoiled. The fake heiress humiliates her, even the household servants bully her, and in the end she dies in a car accident while in a daze. When Xu Nuo wakes up and faces the biological parents who have come to claim her, she's dumbfounded. Well, well. So that spineless girl who gets hit by a car in the end really is me? In that case, there's nothing wrong with demanding justice for myself, is there?