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

1999 12.27	Kira Kira Melody Gakuen Drama CD Super Flying Version (KIRA-1999)	Talk
2000 03.25	Kira Kira Melody Gakuen drama CD 1 (MACM-1080)	Talk
2000 08.30	Daisuki [Kira Kira Melody Gakuen] (ZMCZ-1118)	Song
2001 01.24	Heart Chu Style [Heart Chu] (MACM-1121)	Song
2001 05.09	KONOHANA: True Report Sound Collection (SCDC-076)	Song
2001 07.28	Kira Kira Melody Gakuen Final Album (MACM-1142)	Song
2002 05.25	Large [LaLaLu] (TSM-001)	Song
2002 06.29	Laughs [LaLaLu] (TSM-002)	Song
2002 07.20	Shuwacchi! -Asu he no Bouken- (CODC-2059)	Song
2002 07.27	Luv [LaLaLu] (TSM-003)	Song
2003 05.17	Last Seasons (TSM-005)	Song