The story follows a boy named Quon and others who suddenly wake up with supernatural powers.

A new special episode that was distributed to those who purchase all three Blu-ray box sets of Sayonara Zetsubou Sensei series on January 31, 2012.

The story follows Kintaro, former leader of a widely feared and respected biker gang, who decides that its time to "straighten out" and become a "salaryman" since his wife died and he has to take care of his young son. (Source: AniDB)

New episode included with the 10th blu-ray volume. The episode will adapt the true ending from the original PS2 game.