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

1999 01.20	Voice Theater Series 4 Rabbit (TYCY-10009)	Talk
1999 02.24	Voice Theater Series 5 Ojousama ha Jewel Master (TYCY-10010)	Talk
2000 04.28	Denshin Mamotte Shugogetten (MACM-1097)	Talk
2006 02.24	Binchou-tan Drama CD vol 2 (FCCM-102)	Talk