After transmigrating the book, the heroine discovers that she is a superficially pure and aloof master, but behind her back she regards the apprentice as her own "stove" for her own use. After the apprentice became Demon King, he took revenge on his master, the original owner died after being tortured for a hundred years. In order not to repeat the same mistakes, Lan Yue transformed from a high-cold master into a gentle sister, carefully curry favor with the apprentice, and escort the apprentice's cultivation upgrade. But unexpectedly, apprentice Xiao Jingyao was also reborn!... Based off this novel: 我把你当徒弟，你却想以下犯上