Fire Force manga volume 20 features story and art by Atsushi Ohkubo.

Shinra, Arthur, and Tamaki have returned to Asakusa to get another massive power up from training with Captain Shinmon. While Tamaki must win a game against the foul-mouthed twins, Hikage and Hinata, Shinra and Arthur are pushed past the limits of their limits. Can they get the improved strength they seek, or will they die trying?