Reverse "substitute" article. The plot of the traditional stand-in novel is that the heroine silently leaves after being abused, and is chased by the CEO at the crematorium. However, the breaking point of this work is that the heroine knows that she is a stand-in from the beginning, and she has been working in the opposite direction from the beginning. She used the severance package given by the president as start-up capital, and used the connections and information she learned around the president to build herself into a person that the president could not afford. What readers see is not "abuse", but the ultimate pleasure of the heroine calmly withdrawing, secretly accumulating, and finally fighting back.