henmere almost 7 years ago Inui made this artwork as a congratulations to Shikishima Fugen for the publication of his 2009 book:Gendai Moe Eisei Zukan Amazon.co.jp: http://www.amazon.co.jp/dp/4861992060/ Google books: http://books.google.com/books/about/?id=3E5oQgAACAAJ Nicopedia: http://dic.nicovideo.jp/id/3424413