(C74) [Gravi-dan, Homuraya (Kobayashi Tetsuya, Suzunoya Wataru)] Kobushi Abiru Zetsubou Nisshi (Sayonara Zetsubou Sensei)
[69EROTIQUE] Onegai Setsubou Sensei (Sayonara Zetsubou Sensei)
[Nagisa no Yoko (Shiraishi Nagisa)] Ero Doujinshi ni Zetsubou Shita! (Sayonara Zetsubou Sensei) [Digital]
[Uchuusen 600gou (Ez6)] Sayonara Zetsubou Shoujotai Tsugi Preview (Sayonara Zetsubou Sensei)
(C77) [Iranshiki (Ichie Ryouko, Kojima Aya, Dogezaemon)] Zoku Zetsubou Big Bang (Sayonara Zetsubou Sensei)
(C76) [Uchuusen 600gou (Ez6)] Sayonara Zetsubou Shoujotai (Sayonara Zetsubou Sensei) [English] ==Strange Companions==
[Gachonerou] Zetsubou Doujin Ero (Sayonara Zetsubou Sensei) [English]
(CT11) [Daitoutaku (Nabeshima Mike)] Ryoujoku Fuura Kafuka no Zetsubou (Sayonara Zetsubou Sensei)
(C74) [CLOSET CHILD (Asaki Yuzuno ; Konoe Ototsugu)] Ware Zetsubou Sukoni Ware Zairi (Sayonara Zetsubou Sensei) [English]
(COMIC1☆2) [Shuudan Uchuu Bouryoku Sen 600gou (Murasaki Shu)] Zetsubou Shoujo Asa Shuu Comic Zen (Sayonara Zetsubou Sensei)