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

2003 05.17	Last Seasons (TSM-005)	Song
2004 01.21	Ryo-ko Sensei no Shinryoushitu (WWCE-31017)	Song/Talk
2004 04.28	Drama CD Kaiketsu! Caramel Police sono 3 (FUJI-12)	Talk