Zetsubou-sensei OAD Trailer Online

The official homepage for the Dake Sayonara Zetsubou-sensei OAD series now hosts a Flash trailer. The trailer plays when the website initially loads. To re-play the trailer (with different background music), click the “PV” button in the lower right corner of the website’s primary page. The first episode of the two episode series will go on sale October 17th packaged in the limited edition release of Sayonara Zetsubou-sensei manga volume 15.

Source: Moon Phase