黒の双剣士

From Author Wars - https://authorwars.com/publications/hei-noshuang-jian-shi-630821.html

Overview:

Title: 黒の双剣士
Author: 川原礫
Year: 2015
ISBN-10: 9784048651899
Publisher: アスキー・メディアワークス
Price: ¥590
Pages: 328
Binding: Trade Paperback
Type: Novel
Title Reference: 黒の双剣士
Notes: Data from Amazon.co.jp. Includes a bonus story.