by 藤谷 燈子, 「裏僕」製作委員会, Hotaru Odagiri, 松浦 麻衣
publisher: KADOKAWA / 角川書店 publish date: October 1st 2010
format: kindle pages: 236
language: English
ASIN: B009GPLV94
publisher: KADOKAWA / 角川書店 publish date: June 1st 2010
format: kindle pages: 222
language: English
ASIN: B009GPLV62