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

2013 01.25	Dramatic Market Ride (PCCG-70172)	Song
2013 01.25	Neguse (PCCG-70173)	Song
2013 05.22	The Idolm@ster Cinderella Master 019 (COCC-16737)	Song
2013 08.21	RouKyuuBu! SS Character Songs 5 Nensei Team (WB-1000412646)	Song
2015 02.18	The IDOLM@STER Cinderella Girls Animation Project 01 (COZC-1027)	Song
2015 03.18	The IDOLM@STER Cinderella Girls Animation Project 02 (COCC-17022)	Song/Talk
2015 05.13	The IDOLM@STER Cinderella Girls Animation Project 08 (COCC-17028)	Song
2015 08.05	The IDOLM@STER Cinderella Girls Animation Project 2nd Season 01 (COXC-1083)	Song
2015 08.26	Smile Revolution (SZNM-001)	Song
2015 10.07	The IDOLM@STER Cinderella Girls Animation Project 2nd Season 04 (COCC-17064)	Song
2016 07.27	Cinderella Girls Starlight Master 04 (COCC-17144)	Song
2016 08.03	Starry (KICM-1706)	Song
2016 08.24	Pop Girls/Unlock (VTCL-35238)	Song
2017 02.08	Evermore (COCC-17282)	Song
2017 11.08	Cinderella Girls Starlight Master 14 Jounetsu Fan Fan Fare (COCC-17154)	Song
2017 12.06	Cinderella Girls Little Stars! Akimeite Ding Dong Dang (COCC-17392)	Song
2018 03.07	Cinderella Master Illusionista! (COCC-17458)	Song
2018 04.18	Cinderella Girls Starlight Master 16 Answer (COCC-17156)	Song
2018 09.12	Cinderella Girls Little Stars! Natsukko Ondo (COCC-17502)	Song
2019 11.06	Cinderella Girls Starlight Master Collaboration Mujuuryoku Shuttle (COCC-17692)	Song
2019 12.25	Cinderella Girls Starlight Master for the Next 04 (COCC-17704)	Song
2020 10.21	Cinderella Girls Starlight Master Gold Rush! 03 (COCC-17833)	Song
2021 04.07	Cinderella Girls Starlight Master Gold Rush! 07 (COCC-17837)	Song
2021 08.04	The IDOLM@STER Series Image Song 2021 VOY@GER 765PRO ALLSTARS (COCC-17911)	Song
2021 08.04	The IDOLM@STER Series Image Song 2021 VOY@GER Cinderella Girls (COCC-17912)	Song
2021 08.04	The IDOLM@STER Series Image Song 2021 VOY@GER Million Live (LACM-24163)	Song
2021 08.04	The IDOLM@STER Series Image Song 2021 VOY@GER Shiny Colors (LACM-24165)	Song
2021 08.04	The IDOLM@STER Series Image Song 2021 VOY@GER Side M (LACM-24164)	Song
2023 10.25	Dreamy Anniversary (COCC-18159)	Song