Library

When the apocalypse first broke out, the protagonist got an ordinary and nameless system that could only be upgraded by killing monsters. After opening the novice gift package given by the system, obtaining the fire dragon-slaying magic and having the same system as the dragon, the system hung up and left, leaving only the information list and the progress bar required for upgrading. In this apocalyptic world where the average superpower is not as powerful as the protagonist, how many homeless ordinary people are waiting for the old, weak, sick and disabled to build their own settlements...