I Am Actually the Cannon Fodder Female Supporting Role in Danmei Novels

Because of a dream, Su Zhiyuan actually knew that she would die tragically in the future. At the same time, a magical thing claiming to be the vicious cannon fodder life-changing system appeared in her mind. It turned out that the place where she lived was actually a novel with two male protagonists, and she was actually the vicious fiancée attacked by the protagonist in the novel. She could also be said to be the cannon fodder female partner in it. Since the day of her awakening, Su Zhiyuan has begun to seize the opportunity. Before the protagonist Shou in the original work appeared, she began to make plans step by step, just to take revenge on the protagonist who would cause her tragic death in the destined future. But this time, why did her fiancé, who was destined to have a fight with her, blame her over and over again for leaving him? And why is Shou, the protagonist who is destined to be the protagonist's attack, chasing him and calling her sister this time? Wait, isn't she a cannon fodder female supporting role? Why have you become a heartthrob now? Fate gave Su Zhiyuan a chance to change his destiny, but is it really right to judge the current person's sins based on future events that have not happened? Or is she really too paranoid? Faced with the possibility that she will still die according to the original ending in the future, should she let go of her original enemies with her own hands, and where should she go from here...