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

1990 05.05	Princess Princess Princess (KICA-15)	Song
1990 06.01	Gall Force Earth Chapter Back to the school wars (POCH 2004)	Talk
1990 08.25	Lady's Song of Gall Force (POCH-2011)	Song
1990 11.25	Seiyuu Graffiti	Song
1992 06.05	Hold Me Tonight (KICA-114)	Song
1992 07.08	Scramble Wars Yami no Labyrinth (TOCT-6502)	Talk
1992 09.25	Genji Original Soundtrack Daiichibu Gekan (SHCU-1015)	Song
1992 10.28	92 Seiyuu Graffiti	Song
1992 12.16	M.M.S. Bangai Dreaming Party Yuki (POCH-2201)	Talk
1993 06.25	Kishin the Symphonie (PICA-1017)	Song
1994 10.19	Dragon Quest V CD Theater volume 1 (ECD-009/ISBN4-87025-771-8)	Talk
1994 11.22	Dragon Quest V CD Theater volume 2 (ECD-010/ISBN4-87025-780-7)	Talk
1995 01.25	God Save The Sugekomakun! (TDCD-1064)	Talk
1995 09.06	Slayers The Motion Picture (KICA-254)	Song
1995 09.25	Tokyo Dengeki Kira Kira Gasshoudan The Miracle Forever (TDCD-1118)	Song
1995 11.23	Listen (PICA-1080)	Song
1995 12.16	Madara -Ao Gilgamesh Saga Vol. 1 (AFCP-2012)	Talk
1997 03.21	Street Fighter EX drama CD (PCCB-256)	Talk
1997 08.01	Detatoko Princess vol 1 (VPCG-84633)	Talk
1997 10.22	Calm Breaker (KICA-375-6)	Talk
1997 11.21	Mega Blade (KICA-1202)	Talk
1998 11.21	Dancing Queen	Song
2000 07.19	Little Princess drama CD (SCDC-00030)	Talk