天に響く聖譚詩

From Author Wars - https://authorwars.com/publications/tian-nixiang-kusheng-tan-shi-551546.html

Overview:

Title: 天に響く聖譚詩
Author: 榊一郎
Year: 2003
ISBN-10: 4829115629
Publisher: 富士見書房
Pages: 301
Binding: Paperback
Type: Novel
Title Reference: 天に響く聖譚詩
Notes: Data from Amazon.co.jp
Cover and interior artist per front cover
Title translates as "The Oratorio Resounding Through the Heavens"