http://www.youtube.com/watch?v=FvYqkVKKW3c

What’s This, featuring Taniyama Kishou + appearances by Morikawa Toshiyuki, Morikubo Shotarou, Ono Kensho and Suzuki Tatsuhisa

And on the site’s Novelty page, you can hear each of the seiyuu’s messages and a clip from the drama CD. Just scroll down until you see this image.