Hikami Kyouko
- 12 gatsu no Aurora
- Across My Tears
- Be With
- Blue Moon
- Borderline
- Chance!
- Crescent
- Daisy
- Dynamite I-N-G
- Fantasy ~dakishimesasete~
- FSCA-10077 : Kakikuke Kikuko no Sashisuse Sonata (Seiyuu-Compilation)
- Fly to the Future
- Glass no Legacy
- Go to the Top
- KICA-499 : Digiko no Ongakkai (Di Gi Charat)
- Gyu!
- MMCA-0003 : Hysteric Noise (Seiyuu-Hikami Kyouko)
- Happy Day
- KICA-499 : Digiko no Ongakkai (Di Gi Charat)
- Happy Singer
- I'm Sorry
- It's You...
- Little Kiss in the Night
- Masquerade
- VICL-60559 : Infinite Ryvius, Ashita Kara (Character Song Collection) (Infinite Ryvius)
- Merry Very X'mas
- KICM-3048 : Sister Princess Re Pure, X'mas Song Collection (Sister Princess)
- Miracle Wonderland
- BRDF-3019 : Miracle Wonderland (Di Gi Charat)
- Naxi Ya Texin
- Party Night
- BRDF-3017 : Dynamite I-N-G (Di Gi Charat)
- GCFC-024 : Hoshi no Tabi (Di Gi Charat)
- KICA-487 : Digiko no Sound Message (Di Gi Charat)
- KICA-538 : Digiko no Sound Garden (Di Gi Charat)
- Powerful Summer
- KICA-521 : Digiko no Sound Festival (Di Gi Charat)
- Pre-Love
- KMCA-134 : Bunka Housou CLUB db Memory Site 75 Vocal & Sound Album (Seiyuu-Kuwashima Houko)
- KMCA125 : Bunka Housou CLUB db Original Drama CD Memory Site 75 Vol. 2 (Seiyuu-Kuwashima Houko)
- See You See You
- KICA-538 : Digiko no Sound Garden (Di Gi Charat)
- Sophia
- Tsu Ba Sa
- TYCY-5537 : Lunar Songs 1 (Lunar Eternal Blue)
- Typhoon Idol
- KICA-487 : Digiko no Sound Message (Di Gi Charat)
- Wanna be an Actress
- KICA-499 : Digiko no Ongakkai (Di Gi Charat)
- Why?
- MMCA-0003 : Hysteric Noise (Seiyuu-Hikami Kyouko)
- Yes a Day
- aka no fuukei
- anata ga inai ashita dakedo
- MMCA-0003 : Hysteric Noise (Seiyuu-Hikami Kyouko)
- anata ga irukara....
- aru hareta hi ni
- boku no hoteri
- daisuki
- BRDF-3019 : Miracle Wonderland (Di Gi Charat)
- hana shibuki
- hohoemi mitsumete
- MMCA-0003 : Hysteric Noise (Seiyuu-Hikami Kyouko)
- hoshi no umi ni
- ichiman Dollar no sasayaki
- kaze no nokuta-n
- TYCY-5538 : Lunar Songs 2 (Lunar Eternal Blue)
- kaze no uta
- MMCA-0003 : Hysteric Noise (Seiyuu-Hikami Kyouko)
- kimi wo mamoru tame ni boku wa yume wo miru
- koi no kakera
- MMCA-0003 : Hysteric Noise (Seiyuu-Hikami Kyouko)
- mahiru no tsuki
- miraikei Idol
- KICA-497 : StarChild Selection Hit Songs on TV disc 1 (Misc-Compilation)
- naino
- nami sono ni
- natsu to watashi no tanpen
- oiwai Song
- MMCA-0003 : Hysteric Noise (Seiyuu-Hikami Kyouko)
- omoide wa ame no naka
- onemunasai ~Usada no komoriuta~
- KICA-521 : Digiko no Sound Festival (Di Gi Charat)
- sakura sakura
- KICA-538 : Digiko no Sound Garden (Di Gi Charat)
- sayonara, Dear Boy
- MMCA-0003 : Hysteric Noise (Seiyuu-Hikami Kyouko)
- sono kiseki wa towa ni
- KICM-3048 : Sister Princess Re Pure, X'mas Song Collection (Sister Princess)
- sorezore no ashita e
- KICA-1302 : Game Vocal Best Vol.1 (Misc-Compilation)
- subete no utsukushii umi
- suki na hito ga inai to dame!
- LHCA-5038 : Joshikousei Girl's High, Character Song & Drama (Joshikousei)
- tenshi no Picnic
- LACM-4028 : Tenshi no Picnic (Tenshi no Shippo)
- tenshi no shippo
- LACA-5082 : Tenshi no Utagoe (Tenshi no Shippo)
- LACM-4030 : Tenshi no Shippo / One Drop (Tenshi no Shippo)
- tenshi to no deai ~ soshite wakare
- LACM-4036 : Tenshi to no Deai ~ Soshite Wakare (Tenshi no Shippo)
- tenteko maimai!
- KICA-499 : Digiko no Ongakkai (Di Gi Charat)
- tsuki to futari
- MMCA-0003 : Hysteric Noise (Seiyuu-Hikami Kyouko)
- warau kado ni wa Lucky Come Come
- MMCA-0003 : Hysteric Noise (Seiyuu-Hikami Kyouko)
- yawarakai setsunasa
- KICA-615 : Sakura Setsu-Getsu-Ka Gekichuu-uta Zenshuu (Seiyuu-Compilation)