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

1998 12.23	Kareshi Kanojo no Jijou Original Soundtrack (KICA-440)	Song
1999 03.26	Setsu Getsu Ka (KICA-452)	Song
1999 07.07	Sensei no Ojikan 1 Jikanme (AVCT-15004)	Talk
1999 08.04	Sensei no Ojikan 2 Jikanme (AVCT-15009)	Talk/Song
1999 08.21	Triangle Session 99 Drama CD Stage 1 (MMCM-0009)	Song/Talk
1999 11.25	Sensei no Ojikan Volume 4 (AVCT-15013)	Talk
1999 11.25	Triangle Session 99 Vocal Mini Album (MMCC-0011)	Song
2000 01.26	Triangle Session Volume 3 (MMCC-0014)	Talk
2000 04.19	Koutetsu Tenshi Kurumi Soundtrack (PCCG-532)	Song
2001 08.22	Angelic Layer Character Song Album (AVCA-14190)	Song
2001 10.03	Chance Triangle Session Vocal Album (AVCA-14227)	Song
2002 04.10	Panyo Panyo DiGi Charat Sound Track (AVCA-14334)	Song
2004 01.21	Ryo-ko Sensei no Shinryoushitu (WWCE-31017)	Talk
2004 08.25	Memories Off -Sorekara- Drama CD (KDCA-12)	Talk
2004 12.15	Honey (AKCJ-080044)	Song/Talk
2004 12.22	Memories Off -Sorekara- Vocal Collection (KDCA-26)	Song