(C66) [Tsurikichi-Doumei (Kiki Ryuu, Umedama Nabu)] Ero no Gunzou (Keroro Gunsou)
[DAMe project] Eroro Gunsou (Keroro Gunsou)
(SC38) [Light Pink (Various)] Chikyuujin Maruhi Seitai Chousa Houkokusho 4 (Keroro Gunsou [Sgt. Frog])
(C80) [MANITOU (Nakajima Rei)] Boku no Kos-Mos (Xenosaga)
(C83) [MANITOU (Nakajima Rei)] One One Off Off (One Off) [English] [biribiri]
Douka Hime
(C67) [MANITOU (Nakajima Rei)] Ready Steady Go! (Sexfriend)
(C71) [Pekopon shinryaku hyōgi-kai (Shichimi ha~tsu-chin)] Pekoponjin Ryoujoku Shirei (Keroro Gunsou)