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

2007.01.31	The Idolm@ster Masterwork 01 Go My Way! (COCX-34119)	Song
2009.12.16	Shin Koihime Musou Character Song CD 2 (PCCG-01019)	Song
2010.03.17	The Idolm@ster Master Special Spring (COCX-36107)	Song
2010.06.23	The Idolm@ster Best of 765+876=!! Vol.3 (COCX-36192)	Song
2011.02.09	The World is All One (COCC-16442)	Song
2011.03.23	Uta Nanka Zenzen Utaitaku Nain Dakarane! (KICA-3136)	Song
2011.08.03	Hoshizora he Kakaru Hashi Character Song Album (PCCG-1180)	Song
2011.09.07	The IDOLM@STER ANIM@TION MASTER 02 (COCX-36899)	Song
2011.10.05	The IDOLM@STER ANIM@TION MASTER 03 (COCX-36900)	Song
2011.11.30	The IDOLM@STER ANIM@TION MASTER 05 (COCX-36901)	Song
2011.12.28	The IDOLM@STER ANIM@TION MASTER 06 (COCX-36902)	Song
2012.02.01	The IDOLM@STER ANIM@TION MASTER 07 (COCX-36903)	Song
2012.10.17	Anim@tion Master Namassuka Special 04 (COCX-37416)	Song/Talk
2012.11.28	La La La Wonderland (MFCZ-1017)	Song
2013.01.30	The IDOLM@STER ANIM@TION MASTER Namassuka Curtain Call (COCX-37819)	Song
2013.05.29	THE IDOLM@STER LIVE THE@TER PERFORMANCE 02 (LACA-15300)	Song/Talk
2017.03.29	THE IDOLM@STER PLATINUM MASTER ENCORE (COCC-17214)	Song
2017.08.22	The IDOLM@STER Master Primal Rockin' Red (COCC-17325)	Song/Talk
2018.04.18	The IDOLM@STER Stella Master 03 (COCC-17404)	Song/Talk
2021.09.29	The IDOLM@STER Million Live! M@ster Sparkle2 01 (LACA-15901)	Song