Black Bullet, Vol. 1: Those Who Would Be Gods - light novel (Black Bullet, 1)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