Plunged into despair by the most seemingly-trivial occurrences, the ever-negative Itoshiki-sensei continues to teach his class the unhappy ways of the world. After witnessing the
![[New Release] Zan Sayonara Zetsubou Sensei Bangaichi (OVA) (Sub)](https://data.animebuu.com/data/11/11408/tvdb/poster/8_poster.jpg "[New Release] Zan Sayonara Zetsubou Sensei Bangaichi (OVA) (Sub)")
Plunged into despair by the most seemingly-trivial occurrences, the ever-negative Itoshiki-sensei continues to teach his class the unhappy ways of the world. After witnessing the