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

2001 02.28	Dear+Palette-Che (MACM-1122)	Song
2001 07.28	Kira Kira Melody Gakuen Final Album (MACM-1142)	Song
2001 08.21	Net Idol Collector I (IILA-1001)	Song {track 2 "With You.."}
2002 05.25	Large [LaLaLu] (TSM-001)	Song
2002 06.29	Laughs [LaLaLu] (TSM-002)	Song
2002 07.27	Luv [LaLaLu] (TSM-003)	Song
2008 12.24	Animelo Shinjin Audition -Memorial songs- (BMCA-1006)	Song