[Mafupoko (Hamaoka Ponta)] Chotto Dake Zetsubouko (Sayonara Zetsubou Sensei)

[Gachonerou] Zetsubou Doujin Ero (Sayonara Zetsubou Sensei) [English]

(C76) [Uchuusen 600gou (Ez6)] Sayonara Zetsubou Shoujotai (Sayonara Zetsubou Sensei)

(SC37) [YLANG-YLANG (Ichie Ryouko)] Zetsubou Switch (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==

(SC45) [Iranshiki (Ichie Ryouko, Kojima Aya)] Zetsubou Big Bang (Sayonara Zetsubou Sensei)

(SC37) [YLANG-YLANG (Ichie Ryouko)] Zetsubou Switch (Sayonara Zetsubou Sensei)

(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)