Traveling Through the Apocalypse, I Redeemed the Tragic Male Lead!

[Doomsday redemption/book-traveling/growing-up heroine/double purity/love story] (The trash cannon fodder female partner x the world-weary, poisonous and affectionate male partner) Jiang Zhihe has lost his book. One second she was crossing the street downstairs of the company looking at her phone, and the next second she was hit by a car and fell into a book. When she opened her eyes, she became a cowardly cannon fodder female supporting character in a post-apocalyptic novel who has a crush on the male protagonist. Help... She finally graduated and went ashore, and before her salary was even warm, she was told that she had to live in this world where cockroaches were bigger than her face and lizards were as strong as Alaska? System? No. Goldfinger? No. Superpower? No. Deliberately not letting her live. But fortunately, the second male lead in the book, Shen Yan, has white skin, good looks, long legs, a vicious mouth but a soft heart, and has saved her several times in critical moments. Don't ask, just ask and you'll fall in love. Since the male lead belongs to the female lead, she happily accepts the second male lead. She originally thought that she, who was not constrained by the plot or system, could rewrite the ending of Shen Yan's tragic death. But Jiang Zhihe gradually discovered that whenever she rewrote the plot in the book, her body would suffer varying degrees of backlash. Can she really change his fate? "It doesn't matter if I die to save you."