Fortress of the Last Ember

In a world where solar flares, scorching heat, extreme cold, and a deadly virus have obliterated human civilization, Li Fan is given a second chance. Armed with memories of the future and a mysterious high-tech sphere, he returns to his college days. With a sharp tongue and a cunning mind, can Li Fan navigate this new reality and truly live life on his own terms? Dive into a gripping tale of survival, technology, and a touch of dark humor.