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

1991 12.21	Ranma 1/2 Kakutou Karuta	Song
1992 09.26	Minky Mono Utau Fairy Tale (KICA-120)	Song
1997 10.22	Calm Breaker (KICA-375-6)	Talk
1998 05.20	Hiza no Ue no Partner drama CD kouhen (PCCB-317)	Talk
1999 02.24	Voice Theater Series 6 Uwase no Genma (TYCY-10011)	Talk
2004 07.23	Beast of East (MMCC-4057)	Talk
2004 12.22	Pani Poni Second Season Vol.2 (PCCC-0025)	Talk
2005 12.22	Chitose Gecchu! (FCCC-44)	Talk