How to Save the Future You, My Love

Are the news you see and the objects you touch every day real? How to prove it? When there are only ten years left in the world, you are told the news in advance. What should you do? When you know that the person you love deeply in the future will die in pain in front of you, how do you face it? Shuyou Duan, if you were the only one left in the world, how would you survive? Or choose to leave?