"big-korekami02.jpg" is my only clue...
From here: http://kamidouga2.blog69.fc2.com/blog-entry-310.html
http://kamidouga2.blog69.fc2.com/blog-entry-310.html
From here: http://kamidouga2.blog69.fc2.com/blog-entry-310.html
http://kamidouga2.blog69.fc2.com/blog-entry-310.html