正体不明なんですけど。

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Overview:

Title: 正体不明なんですけど。
Author: 榊一郎
Year: 2005
ISBN-10: 4757725086
Publisher: エンターブレイン
Pages: 277
Binding: Paperback
Type: Novel
Title Reference: 正体不明なんですけど。
Notes: Data from Amazon.co.jp
Cover artist per cover credit
Title transliterates as "Shoutaifumei Nandesukedo." (Actually, I'm Sure It's Unidentifiable.)