I was reborn after my female lead aura was stolen

It turned out she was living in a period novel, and her life had been swapped by a transmigrator. Reborn at the turning point of fate, she looked at the familiar surroundings and her current self—now the villainous female supporting character. Gu Jinyao broke free from the control of the plot: "Why should I follow the protagonist's path? I'll make sure the protagonist has no path to follow. To hell with it." ... After seizing the original female lead's aura, Gu Liuying gradually lived up to the image of a female protagonist by relying on her own golden finger. Except... Whenever she was about to make a fortune, Gu Jinyao was always one step ahead of her. Whenever she was about to marry the male lead of the book, Gu Jinyao had already been pampered by a powerful mogul to the point of becoming the object of everyone's envy and jealousy. Gu Liuying couldn't make sense of it. According to the established plot, shouldn't Gu Jinyao have eloped with someone and died in a foreign land? Why was she still here? And why was she living a better life than her own! Why?