宵闇の姫と冒険者

From Author Wars - https://authorwars.com/publications/xiao-an-noji-tomou-xian-zhe-593902.html

Overview:

Title: 宵闇の姫と冒険者
Author: 橙乃ままれ, 七面体工房
Year: 2014
ISBN-10: 9784047293601
Publisher: 角川書店
Price: ¥1,000
Pages: 381
Binding: Paperback
Type: Novel
Title Reference: 宵闇の姫と冒険者
Notes: Data from Amazon.co.jp
This is a novel based on a gaming session based in the Log Horizon universe.