Fire Force manga omnibus volume 4 collects volumes 10-12 in a larger sized omnibus format and features story and art by Atsushi Ohkubo, the author of Soul Eater.

Shinra has found Shō, but his brother is working for the enemy and has no memory of his family. If Shinra wants to save Shō, he’ll have to do it by force, but can he succeed against such incredible power? The hidden secrets of the past are beginning to unravel and it seems Company 1’s captain is ready to reveal what really happened twelve years ago—if Shinra can prove his strength first! But when his pursuit of the truth may lead him to a terrible revelation, can Shinra stay true to his own resolve to always be a hero?