The Female Protagonist in the Awakening Book Rejects the Cannon Fodder Eldest Lady of the Prime Minister's House

She was the legitimate daughter of the prime minister, and she grew up doted on by her parents and elders. But one day she had a dream that predicted the future. In the dream, she became the cannon fodder female supporting character in a book. When she woke up, she decided to change the tragic ending in the dream. Later, after receiving some advice from an eminent monk, she understood that the plots in the book were part of a life she had already experienced...