Volume 4

is the fourth volume of the Fire Force manga series, written and illustrated by Atsushi Ōkubo.

Summary
Shinra has discovered that someone is using a bug to turn people into Infernals. He’s narrowed the suspects down to two, and now he must figure out which one is the real culprit. Can he find out who is friend and who is foe without first getting caught himself?

Chapters

 * Chapter 26: Infernal Bugs
 * Chapter 27: Unpardonable Evil
 * Chapter 28: Shinra vs. Rekka
 * Chapter 29: Fists or Feet
 * Chapter 30: The Man at his Back
 * Chapter 31: Scorching Malice
 * Chapter 32: A New Menace
 * Chapter 33: Heroes Assemble
 * Chapter 34: The Boy Knight

Reception

 * In its first week of sales, Volume 4 reached the 21st place on the official Oricon manga rankings chart, and has sold an estimated amount of 49,737 copies.

Trivia

 * This volume also included an official character profile for Maki Oze revealing personal information about her such as her height, weight and favourite food.