(C59) [Ngo Hay Yappunyan] Takehara Style (Gakkou no Kaidan)
(C60) [Ngo Hay Yappunyan (Shiwasu no Okina)] Takehara Style 2 (Gakkou no Kaidan)
(CR13) [Kyuuhachi PLUS (Hishi . Kyuuhachi)] Kaidanbanashi SECOND (Gakkou no Kaidan)
Kyuukousha no Da Vinci
[Shinenkan] Kyuukousha no Da Vinci (Gakkou no Kaidan) [English] [Naxusnl]
[Atelier Hachifukuan] Kaidan Shoujo Getsuyoubi (Gakkou no Kaidan)
(Puniket 3) [BUTTER COOKIE, BUTTER RICE (Various)] Dokkoisyo!! (Gakkou no Kaidan)
[Atelier Hachifukuan] Gangu Shoujo - Kodomo no Omocha (Gakkou no Kaidan)
(C73) [Je t'aime (Mutsuki Lime)] Dare ka no mada shiranai Uso (Gakkou no Kaidan)
(Puniket 4) [Archives (Hechi)] Gakkai Mansee 2 (Gakkou no Kaidan)