Zhao Chengxuan survived in the apocalyptic wasteland for ten years, but was finally on the verge of death due to a mutant attack. When he opened his eyes again, he returned to the three days before the disaster and was bound to the [Laoliu Survival System]. His mission was to live better than others in the doomsday, and to find Ren Ruoxi, who had betrayed him in his previous life, so that she could experience the feeling of being let down.
