(C73) [Mechanical Code (Takahashi Kobato)] Zetsubou Hiyori (Sayonara Zetsubou Sensei)
(SC37) [YLANG-YLANG (Ichie Ryouko)] Zetsubou Switch (Sayonara Zetsubou Sensei)
[Gachonerou] Zetsubou Doujin Ero (Sayonara Zetsubou Sensei) [English]
[Yuugai Tosho Kikaku (Tanaka Naburu)] Sayonara Zetsubou Seito (Sayonara Zetsubou Sensei)
(C69) [Luciferhood (Uchoten)] Haru no Asa Zetsubou to Shisu. (Sayonara Zetsubou Sensei)
(CT11) [Daitoutaku (Nabeshima Mike)] Ryoujoku Fuura Kafuka no Zetsubou (Sayonara Zetsubou Sensei)
(COMIC1☆2) [Shuudan Uchuu Bouryoku Sen 600gou (Murasaki Shu)] Zetsubou Shoujo Asa Shuu Comic Zen (Sayonara Zetsubou Sensei)
(C74) [CLOSET CHILD (Asaki Yuzuno ; Konoe Ototsugu)] Ware Zetsubou Sukoni Ware Zairi (Sayonara Zetsubou Sensei) [English]
(C76) [Uchuusen 600gou (Ez6)] Sayonara Zetsubou Shoujotai (Sayonara Zetsubou Sensei) [English] ==Strange Companions==