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

1990 08.25	Lady's Song of Gall Force (POCH-2011)	Song
1992 07.08	Scramble Wars Yami no Labyrinth (TOCT-6502)	Talk
1992 12.16	M.M.S. Bangai Dreaming Party Yuki (POCH-2201)	Talk
1996 12.04	Eternal Melody drama CD (PCCB-234)	Talk
2006 03.10	Tales of Destiny Chijou-hen (FCCT-9003)	Talk