On the Feasibility of Saving the Future in the Past

Everyone has the possibility of awakening. On a fixed day, a turning point in life will occur. Success, gain strength, exclusive accompanying weapons or special abilities; If you fail, just be an ordinary person and live an ordinary life. But the disasters caused by successful people are indistinguishable from each other. Buildings collapse and civilization collapses. A young man with no memory appears mysteriously after everything has happened. Ling Qi: Got it, let's go back to the past!