Fire Force manga volume 32 features story and art by Atsushi Ohkubo.

The Special Fire Force face off against the mightiest doppelgangers yet! Tamaki must confront the doppelganger of Assault, the “Bloody Fire Blast” who once fell to her “lucky lecher lure.” Meanwhile, a Benimaru doppelganger descends upon Kurono, pitting ultimate might against ultimate madness in a fight to the death!  

And at long last, the Kusakabe brothers head into battle, to stop the Great Cataclysm and save the world!