Star Fortress: from the Doomsday to the Top of the Universe

Lin Chen was a student who had just entered the university campus. The unforeseen disaster was like a ruthless sharp blade, cutting off everyone's peaceful life - global nuclear leakage, extreme climate mutation, biological genetic mutation. In just one month, human civilization was on the verge of collapse. Billions of people died in the disaster. The remaining survivors could only struggle to survive on this devastated land, and finally reached the top of the universe.