Norio appears (sings/talks) in the following miscellaneous CDs.

1990 03.21	RG Veda Ongaku-hen (KICA-9)	Talk
1990 07.21	RG Veda (KICA-19)	Talk
1990 11.25	Seiyuu Graffiti	Song
1991.07.??	Shuueisha CD book Den'ei Shoujo Video Girl Ai	Talk
1992 10.28	92 Seiyuu Graffiti	Song
1993 06.20	Aa Megami-sama Tokuten-ou	Talk
1994 08.21	Aozora Shoujotai Fox I	Talk
1994 09.21	Aozora Shoujotai Fox II	Talk
1994 10.21	Aozora Shoujotai Fox III	Talk
1995 09.21	Aozora Shoujotai II PH-1	Talk
1995 10.21	Aozora Shoujotai II PH-2	Talk
1995 12.16	Aozora Shoujotai Karaoke no Koibito Tachi	Song/Talk
1996 02.21	Haneda Mitaka no Aozora Douchuu (BVCH-1515)	Talk
1996 05.02	Bud Boy CD Cinema 1 (VICL-8182)	Talk
1996 06.21	Aozora Shoujotai 801TTS Character Songs (BVCH-1001)	Song
1998.10.??	EVE Burst Error -Eldia Hirokuhen- (KICA-1218)	Talk
2000 12.20	Ah! Megami-sama! Tokuten-oh+ (PCCG-559)	Talk
2001 10.24	Guilty Gear X drama CD (SCDC-132)	Talk
2004 11.26	Korega Watashino Goshujin-sama 2 (AFC-3024)	Talk
2009 12.23	KIDDY GiRL-AND Songs! (LACM-4683)	Song
2011 08.24	Dog Days Drama Box Vol.1 (SVXC-7788)	Talk
2012 07.04	Koreha Zombie desuka? of the Dead Drama CD (VTCL-60312)	Talk