(C81) [Karukan Custard (erka)] Musou (Sayonara Zetsubou Sensei) (C81) [かるかんカスタード (えくれあ)] 霧想 (さよなら絶望先生)

[Yuugai Tosho Kikaku (Tanaka Naburu)] Sayonara Zetsubou Seito (Sayonara Zetsubou Sensei)

[Luna Sensei Project (836)] Luna Sensei Project Doujinshi Vol.1 (Ikenai! Luna Sensei) [Digital]

(C74) [Gravi-dan, Homuraya (Kobayashi Tetsuya, Suzunoya Wataru)] Kobushi Abiru Zetsubou Nisshi (Sayonara Zetsubou Sensei)

(C77) [Iranshiki (Ichie Ryouko, Kojima Aya, Dogezaemon)] Zoku Zetsubou Big Bang (Sayonara Zetsubou Sensei)

(C74) [CLOSET CHILD (Asaki Yuzuno ; Konoe Ototsugu)] Ware Zetsubou Sukoni Ware Zairi (Sayonara Zetsubou Sensei) [English]

[PH (Tam)] Zoku Konnichiwa Positive Sensei (Sayonara Zetsubou-sensei)

[Nagisa no Yoko (Shiraishi Nagisa)] Ero Doujinshi ni Zetsubou Shita! (Sayonara Zetsubou Sensei) [Digital]

(C73) [Mechanical Code (Takahashi Kobato)] Zetsubou Hiyori (Sayonara Zetsubou Sensei)

(C76) [Uchuusen 600gou (Ez6)] Sayonara Zetsubou Shoujotai (Sayonara Zetsubou Sensei) [English] ==Strange Companions==

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