(C69) [Luciferhood (Uchoten)] Haru no Asa Zetsubou to Shisu. (Sayonara Zetsubou Sensei)
(C74) [CLOSET CHILD (Asaki Yuzuno ; Konoe Ototsugu)] Ware Zetsubou Sukoni Ware Zairi (Sayonara Zetsubou Sensei) [English]
[Avellcain] Inochi Midikashi Zetsubou Seyo Omote (Sayonara Zetsubou Sensei)
(C76) [Uchuusen 600gou (Ez6)] Sayonara Zetsubou Shoujotai (Sayonara Zetsubou Sensei) [English] ==Strange Companions==
(C73) [GT Wanko (Miura Iota)] Sayonara Nikubou Sensei (Sayonara Zetsubou Sensei)
(CT11) [Daitoutaku (Nabeshima Mike)] Ryoujoku Fuura Kafuka no Zetsubou (Sayonara Zetsubou Sensei)
Onegai Zetsubou Sensei
[Yuugai Tosho Kikaku (Tanaka Naburu)] Sayonara Zetsubou Seito (Sayonara Zetsubou Sensei)
(C74) [Gravi-dan, Homuraya (Kobayashi Tetsuya, Suzunoya Wataru)] Kobushi Abiru Zetsubou Nisshi (Sayonara Zetsubou Sensei)
[Mafupoko (Hamaoka Ponta)] Chotto Dake Zetsubouko (Sayonara Zetsubou Sensei)