This entire story takes place during the Smoke War.

The smoke was thick, and the screams were endless. In the fog, only the shrieks and rage of people mingled, until it was impossible to tell if the smoke was driving people mad, or if the smoke itself was born from the sounds of encroaching insanity. Blood stained the ground, the nauseating stench had become a part of one's body, and some had discarded their humanity. Ah, you were one of them. A part of this disgusting war.

You encountered an enemy and crushed them mercilessly.

G Corp's proud pestilence weapons. Mad things that advance by devouring people. From your perspective, crushing them was justice. Yes, insects deserve to be stepped on.

The bug beneath your feet spat out horrific fluids as it met its end, and you turned your head away from it.

That was the moment your life went wrong. Where you turned your gaze, a pestilence weapon stood, radiating a pressure unlike anything you had felt before. Without hesitation, he attacked you.

....