[New theme mistakenly sprayed + protagonist's decisive killing + later micro-machines + vampires]
(The whole thing may be biased toward Japanese comics, but I am an old two-dimensional person, so it may be ugly)
In 2041, after the meteorite explosion in 2023, the world ushered in a reorganization.
Resources began to be scarce, animals began to mutate in large numbers, and the emergence of strange beasts was a new challenge for humans.
Humanity also began to fight back, using existing resources to create several artifacts. Scientists collectively called them: God Killers!
And the person who controls them is called: Son of God.
A sixteen-year-old boy who was living among the dead was simply chosen and embarked on the road to death...