Rika has released the following solo CDs.

2018 02.28	Flora (TECI-1566)	Song
2018 08.29	Life (TECI-1593)	Song

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

2014 12.31	THE IDOLM@STER Cinderella Master Cute Jewelries! 002 (COCX-38969)	Song/Talk
2017 12.13	Cinderella Girls Master Seasons Winter! (COCC-17333)	Song
2019 04.03	Lost Princess (COCX-40804)	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
2022 02.16	Princess Connect Re:Dive Character Song Album Vol.3 (COCX-41718)	Song
2024 02.14	Princess Connect Re:Dive Character Song Album Vol.5 (COCX-42177)	Song

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

2014 04.30	The Idolm@ster Cinderella Master 029 (COCC-16880)	Song
2017 01.25	Viewing Revolution Yes! Party Time! (COCC-17261)	Song
2017 02.08	Evermore (COCC-17282)	Song
2017 03.01	Cinderella Girls Starlight Master 09 (COCC-17149)	Song
2017 05.31	Cinderella Girls Starlight Master 11 Ankira!? Kyousoukyoku (COCC-17151)	Song
2017 08.09	Cinderella Girls Starlight Master 12 Inochi Moyashite Koiseyo Otome (COCC-17152)	Song
2017 09.20	Princess Connect Re:Dive Priconne Character Song 01 (COCC-17361)	Song/Talk
2018 03.14	Cinderella Girls Starlight Master 15 Sakura no Koro (COCC-17155)	Song
2018 03.28	Princess Connect Re:Dive Priconne Character Song 02 (COCC-17362)	Song/Talk
2019 02.13	Colorful Passage (TECI-654)	Song
2019 02.20	Cinderella Girls Starlight Master 26 (COCC-17516)	Song
2019 05.15	Returner Butterfly (TECI-673)	Song
2020 02.19	Cinderella Master 3chord for the Dance (COCC-17694)	Song
2020 03.25	Princess Connect Re:Dive Priconne Character Song 13 (COCC-17673)	Song
2020 04.29	Soredemo Tomoni Aruiteku (COCC-17763)	Song
2020 05.27	Princess Connect Re:Dive Priconne Character Song 15 (COCC-17675)	Song/Talk
2021 04.07	Cinderella Girls Starlight Master Gold Rush! 07 (COCC-17837)	Song
2021 12.08	Cinderella Girls Starlight Master Gold Rush! 13 (COCC-17843)	Song
2022 02.16	Tabidachi no Kisetsu (COCC-17968)	Song
2022 03.30	Princess Connect Re:Dive Priconne Character Song 26 (COCC-17896)	Song
2023 03.29	Cinderella Girls Starlight Master R/Lock On! 14 (COCC-17984)	Song
2023 07.26	Princess Connect Re:Dive Priconne Character Song 34 (COCC-18139)	Song
2023 11.29	Princess Connect Re:Dive Priconne Character Song 36 (COCC-18075)	Song