Letras de canciones
| Ai to Iu Na no Tatakai ni . . . | Tamahome |
| Akai Litsutae | Chiriko |
| Aoi Arashi | Yui |
| Aoi Jiyuu, Shiroi Nozomi | Chichiri & Tasuki |
| Best Friend | Yui |
| Blue Eyes... Blue | Nakago |
| Boku no Uchuu ni Kimi ga Iru | Hotohori |
| Chijou no Seiza | Opening OVA 3 "Eikou Den" |
| Degon | Hotohori |
| Do=Be's ga Yatte Kuru | Tasuki |
| Furuete Kudasai | Soi |
| Futatsu no Kodou | Amiboshi & Suboshi |
| Heart ni Kiraboshi Sakashitare!! | Tasuki |
| Hidarite no Kioku | Mitsukake |
| Houkou | Nakago |
| I Wish... | Yui |
| Inoru you ni Aishite'ru | Miaka |
| Itooshii Hito no Tame ni | Opening |
| Ka Chou Fuu Getsu | Chichiri |
| Kaze no Uta | Nuriko |
| Kimi ga Hohoemu nara | Hikitsu & Tomite |
| Koori-tachi no Puraido | Soi |
| Mecha Hajikete Gattsu Tobashite | THTC (Tamahome, Hotohori, Tasuki & Chichiri) |
| Mizu-Kagami | Chichiri |
| Never Get Away | Suboshi |
| Nocturne | Amiboshi |
| Ochanoko Saisai Hengen Jizai | Chichiri |
| Otome Ranman | Nuriko |
| P.S.: Ai tte Eien Desu ka? | Chiriko |
| Perfect World | Nuriko |
| Promise Love | Miaka |
| Sadame no Hoshi | Hotohori |
| Seed ~ Shushi | Tatara |
| Setsunakutemo...Zutto | Tasuki |
| Sora ga Mieru | Mitsukake |
| Soshite, Yami no Saki ni | Tamahome |
| Star | Opening OVA 2 |
| Still | Miaka |
| Tokimeki no Doukasen | Ending |
| Voice | Tamahome |
| Yo ga Akeru mae ni | Opening OVA 1 |