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

1995 12.16	Madara -Ao Gilgamesh Saga Vol. 1 (AFCP-2012)	Talk
1996 02.21	Haneda Mitaka no Aozora Douchuu (BVCH-1515)	Talk
1996 03.22	Pink Pineapple Hit Collection (JSCA-59035)	Song
1996 05.22	Boku no Marie Wars CD Cinema 1 (VICL-8190)	Talk
1996 09.04	Luna Silver Story Lunatic Festa vol 2 (KACN-1043)	Talk
1996 09.04	Lunar Silver Star Story Lunatic Festa vol 2 (TYCY-5523)	Song/Talk
1996 12.21	Alice in Cyberland Game Soundtrack (WPC6-8247)	Song
1997 01.25	Alice in Cyberland radio drama vol 1	Song/Talk
1997 02.25	Alice in Cyberland radio drama vol 2	Talk
1997 03.25	Alice in Cyberland radio drama vol 3	Song/Talk
1997 05.25	Radio Drama Quo Vadis 2 Dai 2 Bu (WPC6-8285)	Talk
1997 07.19	Hello Jelly Beans (COCC-14382)	Song
1997 07.24	Happy Boy radio anime vol 1 (WDCD-28009)	Talk
1997 07.25	Angelique Special 2 (KECH-1114)	Talk
1997 12.17	Iwao Junko Net Party II (BVCH-1533)	Talk
1998 01.21	Pocket Love Angel Voice Memorial vol. 1 (PSCA-10027)	Talk
1998 01.24	Radish Roxs First Impact	Song/Talk
1998 04.01	Yuukyuu Gensoukyoku 2nd Album drama CD vol 1 (PCCB-309)	Talk
1998 04.17	Princess Quest (PCCB-303)	Song/Talk
1998 08.21	Way To Go	Song/Talk
1999 01.21	First Kiss Monogatari Image Vocal Album (APCM-5118)	Song
1999 01.21	Love -Hadaka no Kokoro- [Radish Rox]	Song
2000 02.17	Yuukyuu Ongakusai Vocal hen (PCCB-408)	Song
2000 03.17	Yuukyuu Ongakusai Drama hen (PCCB-409)	Talk
2000 10.12	Minna de Tsukuru Yuukyuu CD! (SCDC-00033)	Talk
2000 10.18	Yuukyuu Kumikyoku All Start Project drama CD 2 (SCDC-00043)	Talk
2002 01.23	Seiyuu Best Talk Collection (SCDC-001544-001545)	Talk
2004 05.26	Onban Monogatari Yakumo Tatsu 4 (PWCA-2026)	Talk
2004 07.23	Kare first love (MMCC-4060)	Talk