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

2014.04.30	The Idolm@ster Cinderella Master 027 (COCC-16878)	Song
2017.02.08	Evermore (COCC-17282)	Song
2017.05.24	Cinderella Girls Little Stars Etude ha 1 Kyoke dake (COCC-17312)	Song
2017.05.31	Cinderella Girls Starlight Master 11 Ankira!? Kyousoukyoku (COCC-17151)	Song
2018.05.23	Cinderella Girls Starlight Master 17 (COCC-17157)	Song
2018.12.12	Cinderella Girls Starlight Master 24 (COCC-17514)	Song
2019.08.14	Cinderella Girls Starlight Master 31 (COCC-17521)	Song
2019.11.20	Cinderella Girls Spin-off Oumuamua ni Kouun wo (COCC-17741)	Song
2020.02.19	Cinderella Girls Starlight Master 36 (COCC-17526)	Song
2020.07.15	Cinderella Girls Starlight Master for the Next 09 (COCC-17709)	Song
2020.10.07	Cinderella Girls Starlight Master Gold Rush! 02 (COCC-17832)	Song
2020.12.02	Cinderella Master Never Ends & Brand New! (COCC-17851)	Song
2023.11.15	Cinderella Girls Starlight Master Platinum Number 12 (COCC-18072)	Song
2024.02.28	Cinderella Master Pajama Jama (COCC-18166)	Song
2024.04.10	Cinderella Girls Starlight Master Heart Ticker 05 (COCC-18175)	Song
2024.07.17	Cinderella Girls Starlight Master Heart Ticker 08 (COCC-18178)	Song