Description:Will the humans collapse, Will the demons be exterminated, —Or will everyone fall into ruin? 「Kill them all.」 The plague is spreading. The humans claim the demons caused the epidemic. The demons claim the humans caused the epidemic. —Misunderstanding, scorn, and hatred become a bacteria more atrocious than the Black Death, instantly consuming the entire continent in flames. As a calamity called a devastating war. Here, a single man pours poison into the world.