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

2012 08.08	The Idolm@ster Cinderella Master 007 (COCC-16629)	Song
2012 11.21	Kimi ga Yume wo Tsuretekita (ZMCZ-8231)	Song
2014 10.29	Two-Dimension's Love (PCCG-70228)	Song
2015 02.18	The IDOLM@STER Cinderella Girls Animation Project 01 (COZC-1027)	Song
2015 04.15	The IDOLM@STER Cinderella Girls Animation Project 06 (COCC-17026)	Song/Talk
2015 05.13	The IDOLM@STER Cinderella Girls Animation Project 08 (COCC-17028)	Song
2015 07.29	Cinderella Girls Absolute Nine (COCC-17056)	Song
2015 08.05	The IDOLM@STER Cinderella Girls Animation Project 2nd Season 01 (COXC-1083)	Song
2015 09.30	The IDOLM@STER Cinderella Girls Animation Project 2nd Season 03 (COCC-17063)	Song
2015 10.07	The IDOLM@STER Cinderella Girls Animation Project 2nd Season 04 (COCC-17064)	Song
2016 05.18	Cinderella Girls Starlight Master 02 (COCC-17142)	Song
2017 01.25	Viewing Revolution Yes! Party Time! (COCC-17261)	Song
2017 02.08	Evermore (COCC-17282)	Song
2018 05.23	Cinderella Girls Starlight Master 17 (COCC-17157)	Song
2019 04.17	Cinderella Girls Little Stars! Kyun Kyun Max (COCC-17611)	Song
2019 05.10	Cinderella Girls Starlight Master 28 (COCC-17518)	Song
2019 07.31	Princess Connect Re:Dive Priconne Character Song 09 (COCC-17369)	Song/Talk
2019 10.23	Cinderella Girls Starlight Master 33 (COCC-17523)	Song
2019 11.27	Princess Connect Re:Dive Priconne Character Song 11 (COCC-17671)	Song/Talk
2020 10.21	Cinderella Girls Starlight Master Gold Rush! 03 (COCC-17833)	Song
2021 11.24	Princess Connect Re:Dive Priconne Character Song 24 (COCC-17894)	Song
2022 12.14	Cinderella Girls Starlight Master R/Lock On! 11 (COCC-17981)	Song
2023 05.17	Cinderella Girls Starlight Master R/Lock On! 16 (COCC-17986)	Song
2023 10.04	Cinderella Girls Starlight Master Platinum Number 10 (COCC-18070)	Song