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

1997 02.14	Doukyuusei -Ren'ai Senka- Lesson 2 (JSCA-59047)	Talk
1999 01.20	Voice Theater Series 3 Niji wo Wataru Neko (TYCY-10008)	Talk
2000 10.12	Pia Carrot he Youkoso! 2 DX Best Vocal Collection (SCDC-00040)	Song
2001 03.07	Pia Carrot he Youkoso! 2 DX Drama CD ()	Talk