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

1999 11.03	L no Kisetsu (PCCB-399)	Talk
1999 12.15	D.N.Angel Wink (MMCC-4008)	Talk
1999 12.22	Seraphim Call 12 Seraphim Tachi no Seiya (PICA-7012)	Song
2000 02.16	Seraphim Call Themesong Collection coupling 4	Song
2000 02.25	Seraphim Call Ongaku Zenshuu Theme Song & BGM (PICA-7014)	Song
2000 09.21	Ren'ai Catalog -Tiny Darling Cupid- (LACA-5009)	Talk