Volume 2

Reception

 * In its first week of sales in Japan, volume 2 reached the 23rd place on the official Oricon manga rankings chart, and has sold an estimated amount of 32,215 copies.

Trivia

 * This volume also included an official character profile for Arthur Boyle revealing personal information about him such as his height, weight and daily routines.
 * In the English version of this volume, Shinra's character profile is also included.
 * Notably, a blue stripe on Arthur's right arm is missing where it is usually situated at the top of the sleeve of the bunker gear.