Volume 1

is the first volume of the En En no Shōbōtai manga series, written and illustrated by Atsushi Ōkubo.

Chapters

 * Shinra Kusakabe's Enlistment (Chapter 0)
 * First Scene (Chapter 1)
 * Devil and Knight and Witch (Chapter 2)
 * Fire Officer's Heart (Chapter 3)
 * Suspicious Blasphemer (Chapter 4)
 * Fire Officer Newcomer Tournament (Chapter 5)

Reception

 * In its first week of sales, volume 1 reached the 14th place on the weekly Oricon manga chart and had sold an estimated amount of 42,217 copies as of February 24, 2016.

Trivia

 * This volume also included an official character profile for Shinra Kusakabe revealing personal information about him such as his height, weight and hobbies.