After Passing Through the Book, the Fake Double Becomes the Real Bai Yueguang

[Through the Book + System + Xianxia + Sand Sculpture + 1V1 Shuangjie] Duan Zhi was transformed into a vicious cannon fodder in the book who only had a few words but met a tragic end. His mission was to defeat the paranoid villain and save the world in the book that was about to collapse. In order to complete the task and leave here, Duan Zhi struggled to survive and attacked the villain. She thought the task was difficult, but she didn't expect that the villain looked at her more and more strangely. Finally, by an accident, Duan Zhi found out that the body she was wearing looked exactly like the villain Bai Yueguang. She thought she was the substitute Bai Yueguang, but she didn't expect that she was actually the real protagonist.