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

2009.04.22	Cagayake! Girls (PCCG-70036)	Song
2009.04.22	Don't Say Lazy (PCCG-70038)	Song
2009.04.22	Future Stream [Sphere] (LASM-34001)	Song
2009.05.20	Fuwa Fuwa Time (PCCG-70040)	Song
2009.06.03	dear-dear DREAM (LACM-4619)	Background Vocals
2009.06.17	K-ON! character image song series Akiyama Mio (PCCG-00982)	Background Vocals
2009.06.17	K-ON! character image song series Hirasawa Yui (PCCG-00981)	Song
2009.07.23	Hatsukoi Limited Character File Vol.3 (LHCM-1061)	Song
2009.07.29	Super Noisy Nova [Sphere] (LASM-34017)	Song
2009.08.05	Kimi he to Tsunagu Kokoro (KICM-1286)	Song
2009.08.26	K-ON! character image song series Azusa Nakano (PCCG-00985)	Background Vocals
2009.08.26	K-ON! character image song series Ritsu Tainaka (PCCG-00983)	Background Vocals
2009.08.26	K-ON! character image song series Tsumugi Kotobuki (PCCG-00984)	Background Vocals
2009.10.28	Love Your Life (SMCL-178)	Song
2009.11.18	Miracle Happy Day (COCC-16318)	Song
2009.11.25	Kaze wo Atsumete [Sphere] (LASM-34030)	Song
2010.02.10	Passionate Squall (LACM-4685)	Song
2010.04.21	Realove:Realife [Sphere] (LASM-34051)	Song
2010.04.28	Go! Go! Maniac (PCCG-70071)	Song
2010.04.28	Listen! (PCCG-70073)	Song
2010.05.12	Wishes Hypocrites (LACM-4718)	Song
2010.05.26	Boku wo Sagashite (SMCL-192)	Song
2010.06.02	Pure Pure Heart (PCCG-70075)	Song
2010.07.28	Now Loading...SKY [Sphere] (LASM-34060)	Song
2010.08.04	No Thank You! (PCCG-70079)	Song
2010.08.04	Utauyo! Miracle (PCCG-70077)	Song
2010.09.08	Gohan ha Okazu (PCCG-70081)	Song
2010.09.21	K-ON!! Character Image Song Mio Akiyama (PCCG-01066)	Background vocals
2010.09.21	K-ON!! Character Image Song Yui Hirasawa (PCCG-01065)	Song
2010.10.20	Moon Signal [Sphere] (LASM-34080)	Song
2010.11.10	Dill (SMCL-219)	Song
2010.11.17	K-ON!! Character Image Song Azusa Nakano (PCCG-01069)	Background vocals
2010.11.17	K-ON!! Character Image Song Ritsu Tainaka (PCCG-01067)	Background vocals
2010.11.17	K-ON!! Character Image Song Tsumugi Kotobuki (PCCG-01068)	Background vocals
2010.11.24	Hatsukoi Gentouki (LASM-4085)	Song
2010.12.22	Motto To Love Ru Character CD 03 (GNCA-0223)	Song
2011.04.13	Shun Pu (SMCL-232)	Song
2011.05.11	Hazy [Sphere] (LASM-34095)	Song
2011.05.25	Ai no Yokan (GNCA-0194)	Song
2011.06.22	Kami Nomi Chara CD.7 Jun Nagase (GNCA-0208)	Song
2011.07.27	Let Me Do! [Sphere] (LASM-34105)	Song
2011.08.10	Nekogami Yaoyorozu Character Song Vol.2 (LASM-4109)	Song
2011.10.05	Anata no Shiawase Uchi no Shiawase (PCCG-70128)	Song
2011.10.26	High Powered [Sphere] (LASM-34114)	Song
2011.11.23	Diamond (LACM-4856)	Song
2011.12.07	Singing (PCCG-70084)	Song
2011.12.07	Unmei ha Endless (PCCG-70082)	Song
2012.01.25	Music (SMCL-254)	Song
2012.04.25	Non Stop Road Natsuiro-ban [Sphere] (LASM-34136)	Song
2012.04.25	Non Stop Road [Sphere] (LASM-34134)	Song
2012.05.09	Ohanabatake ni Tsuretette (LACM-4927)	Song
2012.05.23	Shirotsumekusa (SMCL-266)	Song
2012.08.29	Yuru Yuri!! Music 06 (PCCG-70146)	Song
2012.10.24	Koi-Ken Music Box (LACA-15241)	Song
2012.11.07	Pride on Everyday [Sphere] (LASM-34150)	Song
2012.12.05	To LoveRu Darkness Character CD Momo Belia Deviluke (GNCA-262)	Song
2012.12.19	Orion to Spangle (SMCL-285)	Song
2013.05.01	Genesis Aria [Sphere] (LASM-34155)	Song
2013.05.22	Flip Flop (SMCL-294)	Song
2013.08.28	Cheeky (SMCL-307)	Song
2013.11.27	Sticking Places [Sphere] (LASM-34157)	Song
2014.03.19	Delight (SMCL-328)	Song
2015.02.11	Jounetsu Continue [Sphere] (LASM-34171)	Song
2015.06.24	Uh LaLa (SMCL-383)	Song
2015.10.14	Dreams Countdown [Sphere] (LASM-34176)	Song
2016.04.20	Ippun Ichibyou Kimi to Boku no [Sphere] (SMCL-426)	Song
2016.08.31	Walk on Believer (SMCL-441)	Song
2016.11.16	My Only Place [Sphere] (LASM-34182)	Song
2017.05.31	Honey and Loops (SMCL-477)	Song
2017.11.08	Heart to Heart [Sphere] (LASM-34183)	Song
2021.02.17	The Last Chance (SMCL-659)	Song
2023.04.26	Jump In (COCC-18108)	Song