Last Option

The sky is slightly bright and the stars are thousands of miles away. How should we survive in the apocalyptic world? I should fight for resources desperately, I should sacrifice my life to protect others, no, all this is just the last world and the last choice for me. As a time traveler, Luo Jiangjiang has been to many worlds and completed many tasks. This apocalyptic world is her last world and her last task. After completing this task, she can return to the real world. So what people and things will you encounter in this world? And why are the missions and the world harder than before? All this is unknown.