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

2010.02.10	Kiddy GiRL-AND Character Song Vol.01 (LACM-4677)	Song
2010.11.24	Mitsudomoe Character Song 6 Sato ga Sukide Shouganai Tai (LASM-4086)	Song
2011.05.25	Love Marginal [Printemps] (LACM-4812)	Song/Talk
2011.06.22	Diamond Princess no Yuuutsu [BiBi] (LACM-4816)	Talk
2011.07.27	Gyutto Baby Ai Nanda Baby (LACM-4817)	Song
2011.07.27	Shiranai Love Oshiete Love [Lily White] (LACM-4832)	Talk
2012.02.15	Mogyutto Love de Sekkinchuu (LACM-4907)	Song
2012.06.27	Love Live! Duo Single 3 Kokuhakubiyori desu! (LACM-4946)	Song/Talk
2012.09.05	Wonderful Rush (LACM-4979)	Song
2013.01.23	Bokura ha Ima no Naka de (LACM-14053)	Song
2013.02.06	Kitto Seishunga Kikoeru (LACM-14054)	Song
2013.02.20	Susume Tomorrow (LACM-14055)	Song
2013.03.06	Korekara no Someday (LACM-14064)	Song
2013.04.03	No Brand Girls (LACM-14069)	Song
2013.06.26	Binetsu kara Mystery [Lily White] (LACM-14101)	Talk
2013.07.25	Cutie Panther [BiBi] (LACM-14102)	Talk
2013.08.21	Pure Girls Project [Printemps] (LACM-14103)	Song/Talk
2013.11.27	Music S.T.A.R.T (LACM-14156)	Song/Talk
2014.01.29	Takaramonozu (LACM-14181)	Song
2014.04.23	Sore ha Bokutachi no Kiseki (LACM-14220)	Song
2014.05.08	Donna tokimo Zutto (LACM-14230)	Song
2014.05.28	Yume no Tobira (LACM-14241)	Song
2014.06.11	Love Wing Bell (LACM-14242)	Song
2014.07.09	Kira-Kira Sensation (LACM-14243)	Song
2014.10.01	Shangri-La Shower (LACM-14260)	Song
2014.11.12	Eien Friends [Printemps] (LACM-14291)	Song/Talk
2014.11.26	Aki no Anata no Sora Tooku [Lily White] (LACM-14292)	Talk
2014.12.24	Fuyu ga kureta Yokan [BiBi] (LACM-14293)	Talk
2015.05.23	Unit Single Printemps Museum de Doushitai? (LZM-2126)	Song
2015.07.01	Angelic Angel (LACM-14361)	Song
2015.07.08	Sunny Day Song (LACM-14362)	Song
2015.07.15	Bokutachi ha Hitotsu no Hikari (LACM-14363)	Song
2015.10.28	Heart to Heart (LACM-14412)	Song
2015.11.25	Wao-Wao Powerful Day [Printemps] (LACM-14413)	Song
2016.03.02	Moment Ring (LACM-14449)	Song
2016.11.30	Sumile Smile (COZC-1262)	Song
2018.05.09	So Happy (COCC-17449)	Song
2018.05.09	So Happy (COZC-1434)	Song
2020.03.25	A Song for You! You? You!! [CD+BD] (LACM-14950)	Song
2020.03.25	A Song for You! You? You!! [CD+DVD] (LACM-14951)	Song
2021.06.02	Pale Blue (COCC-17883)	Song
2021.11.10	Canary Yellow (COCC-17923)	Song
2023.05.24	Preview (COCC-18118)	Song
2023.05.24	Preview [CD+BD] (COZC-2018)	Song