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

2010.05.26	Ichiban Ushiro ni aru Kimochi (LASA-5046)	Talk
2013.07.31	THE IDOLM@STER LIVE THE@TER PERFORMANCE 04 (LACA-15314)	Song/Talk
2013.08.21	Kin-iro Mosaic Soundbook Hajimemashite Yoroshikune (VTCL-60349)	Song
2014.08.27	Gochi Usa Blend (GNCA-1418)	Song
2014.10.29	Utagoe no Kakera (LACA-15465)	Song
2017.03.24	Yuyushiki OVA Character Song Album (GNCA-1493)	Song
2017.04.19	GirlFriend Character Song Series Vol.04 (PCCG-1594)	Song
2017.12.06	Gochi Usa -Dear My Sister- Duetsong Album (GNCA-1516)	Song
2017.12.22	Gochi Usa Character Song Selection Album Order The Songs 2 (GNCA-1517)	Song
2018.04.04	The IDOLM@STER Million Live! M@ster Sparkle 08 (LACA-15678)	Song
2020.02.12	Princess Connect Re:Dive Character Song Album Vol.1 (COZX-1623)	Song
2021.02.17	Princess Connect Re:Dive Character Song Album Vol.2 (COZX-1722)	Song
2021.08.18	Graduation Album "Daikansha" (VTCL-60546)	Song
2022.11.30	The IDOLM@STER Million Live! M@ster Sparkle2 10 (LACA-15910)	Song
2024.02.14	Princess Connect Re:Dive Character Song Album Vol.5 (COCX-42177)	Song