The world war three never happened, the countries were united, but in the end they could not prevent it
The sphere of ozone was broken through, the harmful radioactive waves threatened humanity of diseases and eventual extinction
This angered and greatly disappointed certain someone - God, who had his expectations crumbled
And then the world received the message, that they were given another chance, instead of fixing the barrier the God was creating a new one which would turn harmful radioactive energy into mana.
Mana would be a mother of all kinds of monsters and as time passed, density of mana would increase along with power and species of monsters to prevent excess mana from destroying the earth
As for humans, only the most deserved would survive and adapt
The crumbling one would surface the new world, weaker technologically and stronger physically and mentally
George walker, a no life shut in receives this new development with open arms, only to be reminded of harsh reality that his fat ass is not exactly prepared for what is to come, grumbling at his disadvantage he tries to make up for it by trying extra hard
How will he fare against brand new era? Will he carve the bloodied path out of this apocalyptic world? Or will he become a stepping stone for others, another decaying corpse near a roadside, who knows...