She Wears a Book and Becomes a Cannon Fodder Female Partner, and Starts the Game Disheveled.

[Book-wearing + cannon fodder female partner + marriage first, love later + double cleansing + sweet pet + HE] Xia Wanning transformed into the cannon fodder female supporting character in the novel. In the original novel, Xia Wanning married Fu Yanshen, a top chaebol, but every time she secretly transferred money to the male protagonist she had liked since childhood, and watched him and the female protagonist happily together. But she was framed by the male protagonist and was eventually sent to a mental hospital. Fu Yanshen died in a mental hospital without even seeing his face. Xia Wanning wore the body of a cannon fodder female partner with the same name and decided to hug Fu Yanshen's thigh and draw a clear line with the scumbag... But she found that Fu Yanshen seemed to have changed...