鏡の中の戦魔

From Author Wars - https://authorwars.com/publications/jing-nozhong-nozhan-mo-551789.html

Overview:

Title: 鏡の中の戦魔
Author: 榊一郎
Year: 2000
ISBN-10: 4757702566
Publisher: エンターブレイン
Pages: 282
Binding: Paperback
Type: Novel
Title Reference: 鏡の中の戦魔
Notes: Data from Amazon.co.jp
Cover artist per cover credit
Title transliterates as "Kagami no Naka no Senma" (The Battle Demon in the Mirror)