The Days of Female Companions in the End of the World

She was originally the heroine in her own world. She didn't know who she was provoking, so she traveled through time to a broken book, or a post-apocalyptic novel. Unfortunately, she hadn't read the ending yet, so she didn't know whether the heroine she was wearing was tortured to death, tortured to death, or tortured to death. Dad is the stepfather, and Mommy is the biological mother, but she is about to become a stepmother. The heroine is the daughter of her stepfather and biological mother. I have been a Xiaobaicai since I was a child. The sad life of Xiaobaicai~