[Gachonerou] Zetsubou Doujin Ero (Sayonara Zetsubou Sensei) [English]
[Mafupoko (Hamaoka Ponta)] Chotto Dake Zetsubouko (Sayonara Zetsubou Sensei)
Hell and Heaven July 2019
(SC37) [YLANG-YLANG (Ichie Ryouko)] Zetsubou Switch (Sayonara Zetsubou Sensei)
Hell and Heaven March 2020
(C77) [Iranshiki (Ichie Ryouko, Kojima Aya, Dogezaemon)] Zoku Zetsubou Big Bang (Sayonara Zetsubou Sensei)
(C74) [Gravi-dan, Homuraya (Kobayashi Tetsuya, Suzunoya Wataru)] Kobushi Abiru Zetsubou Nisshi (Sayonara Zetsubou Sensei)
(SC45) [Iranshiki (Ichie Ryouko, Kojima Aya)] Zetsubou Big Bang (Sayonara Zetsubou Sensei)
[Uchuusen 600gou (Ez6)] Sayonara Zetsubou Shoujotai Tsugi Preview (Sayonara Zetsubou Sensei)
(C76) [Uchuusen 600gou (Ez6)] Sayonara Zetsubou Shoujotai (Sayonara Zetsubou Sensei) [English] ==Strange Companions==
