The Legitimate Daughter Is Poisonous: Your Highness, Please Take the Bait

She had just traveled through time and became the eldest daughter of a small county magistrate's family, when her stepsister and stepmother set her up to have an affair with Chen Yuan, the adopted son of the Chen family. She stood out at the lake party, and almost everyone noticed her change and extraordinaryness! To say that they have an affair is to pretend she is betrothed to him! "The legitimate daughter is poisonous, where can Your Highness escape?!"