[Yamaoka Koutetsurou] H
[Paradiddle (Yamaoka Koutetsurou)] Mitsugetsu Boshi
[Ahaha to Lyrical Illust Seisakuchuu] refrain (Mahou Shoujo Lyrical Nanoha)
[Yamaoka Koutetsurou] STEEL WORKS '97~'98
[Paradiddle] A Mother to flirt 1+1.5 DL
(Futaket 10) [Paradiddle (Yamaoka Koutetsurou)] Futa☆Mao ~Maou-han to Yuusha-han~
(COMIC1☆2) [Paradiddle (Yamaoka Koutetsurou)] Onna Senshi-san(Kari) no Junan. (Dragon Quest III)
[Paradiddle (Yamaoka Koutetsurou)] Shokudou no Obasan (Mister Ajikko)
[Yamaoka Koutetsurou] Hot For Teacher
[Yamaoka Koutetsurou] Hitoduma Ecchi