[PH (Tam)] Konnichiwa Positive Sensei (Sayonara Zetsubou Sensei)
[Avellcain] Inochi Midikashi Zetsubou Seyo Omote (Sayonara Zetsubou Sensei)
[Uchuusen 600gou (Ez6)] Sayonara Zetsubou Shoujotai Tsugi Preview (Sayonara Zetsubou Sensei)
(C79) [Cinderella Complex (Tsubakiya Meguru)] Sensei de Asobou (Sayonara Zetsubou Sensei)
(SC37) [YLANG-YLANG (Ichie Ryouko)] Zetsubou Switch (Sayonara Zetsubou Sensei)
(C76) [Uchuusen 600gou (Ez6)] Sayonara Zetsubou Shoujotai (Sayonara Zetsubou Sensei) [English] ==Strange Companions==
[Gachonerou] Zetsubou Doujin Ero (Sayonara Zetsubou Sensei) [English]
[Nagisa no Yoko (Shiraishi Nagisa)] Ero Doujinshi ni Zetsubou Shita! (Sayonara Zetsubou Sensei) [Digital]
(C77) [Iranshiki (Ichie Ryouko, Kojima Aya, Dogezaemon)] Zoku Zetsubou Big Bang (Sayonara Zetsubou Sensei)
[Yuugai Tosho Kikaku (Tanaka Naburu)] Sayonara Zetsubou Seito (Sayonara Zetsubou Sensei)