Atsuko appears (sings/talks) in the following CD singles.

1998.10.23	Yume no Naka he/S.O.S.	song
1999.11.03	Kiss Kara Hajimaru Miracle [Steel Angels]	Song
2001.05.03	Be My Angel (AVCA-14145)	Song
2001.06.20	Pure Blue / Love Forever (AVCA-14151)	Song
2001.07.25	Woo Yeah Woo Ah / Difference (AVCA-14163)	Song
2002.03.13	Happy! Smile! Hello! (AVCA-14309)	Song
2002.05.09	Keep On Going (AVCA-14356)	Song