[Catastrophe + Wandering + No Saintly Protagonist + All Villainous Characters + Tests of Human Nature + Plot Twists]
In 2069, an unprecedented catastrophe suddenly erupted on Blue Star.
An unknown virus fell from the sky and reached Blue Star. Animals infected by the virus began dying out on a massive scale.
Animals ate animals, people ate animals, animals ate people, and people ate people...
On top of that, every so often, a catastrophe would strike some region of Blue Star. The affected areas came to be known as [Catastrophe Zones].
As a scientist, I initially thought this was simply a catastrophe whose full effects would take a long time to unfold. Little did I know that the cause and effect of it all had long since been predetermined...