The World Has Already Ended.
The future--where a terrible battle against a parasitic virus called Gastrea has been fought.
and lost.
Humanity is cornered and lives in despair.
Rentaro and Enju face constant danger in their work as a team of anti-Gastrea specialists known as civil security officers.
As if the daily fight against oblivion weren't enough, they'll soon face a threat that could destroy all of Tokyo.
Yen On Black bullet, vol. 1 (light novel): those who would be gods, paperback/shiden kanzaki
