Kokia
- A girl
- A universe is …
- Ai no melody
- Ai no rinkaku
- Aishiteirukara
- Anshin no naka
- Arigatou
- Ashioto
- Awakening~open your eyes
- Black is the colour
- Boku no kimochi
- Chouwa
- Clap your hands
- Cocoro
- Cosy place
- Currents
- Daiji na mono wa mabuta no ura
- Dandelion
- Different way
- Erika
- Eve
- Everlasting
- Flower
- Follow the nightingale
- Give & take
- Goes on forever
- Gomenne
- Hana
- Harmony oto - origine
- Hello passing days
- Hirusagari no toki
- Hope of an ugly ducklin
- Humanitarian
- I believe
- I shiteru
- Il mare dei suoni
- Kawaranai koto ~since1976~
- Kaze
- Kirari
- Live alone
- Mokuji
- Moonlight shadow
- Nanimo kamo ga hoshi ni natte
- New season ~yume ni mukatte fuku kaze~
- Ningen tte sonna mono ne
- Odayakana shizukesa ~jyoka
- Pinchi wa chansu
- Pinku no zou
- Princess ehime
- Remember the kiss
- Say goodbye & good day
- Say hi!!
- Shiroi yuki
- So much i love you
- Someday when you love - anthem ver. -
- Sora
- Sora ni taiyou anata ni watashi
- Tatta hitotsu no omoi
- Tell tell bozou
- Tenshi
- The power of smile
- The rule of the universe
- The story of two daughters
- Time to say goodbye
- Todokimasuyoni
- Tomoni
- Tsugi au toki wa
- Umaretate no shiro
- Utau hito
- Wakaranai koto -since 1976-
- Warmth ~ listen for the love
- Watashi ni dekiru koto
- Watashi no taiyou
- Watashi wa utau kotori desu
- Why do i sing?
- You
- Yume ga chikara
- Yuukyuu no mori
