Age of Supernova (The Only Complete Unabridged Version)

There is not a single grown-up left on earth now. "The boring AD century has ended, and human civilization has rejuvenated and returned to the happy barbaric age." The most difficult academic study in human history, the most peculiar period in human history, the greatest separation between life and death in human history... The supernova era has arrived! "Children, the world is yours!"