The Sixth Day ~Single Collection~
| Track | Durée | Titre | Tablature |
| 1 | 05:26 | Oasis | |
| 2 | 04:25 | ~seki-ray~ | |
| 3 | 04:37 | Secret Garden | |
| 4 | 04:20 | Kimi ga Oikaketa Yume | |
| 5 | 04:43 | Wasurenai Kara | |
| 6 | 04:47 | Tsuki no Uta | oui |
| 7 | 04:49 | Mirror | |
| 8 | 04:16 | Vanilla | oui |
| 9 | 04:51 | Mizerable | |
| 10 | 03:29 | Lu:na | oui |
| 11 | 04:46 | Last Song | |
| 12 | 03:05 | Another World | |
| 13 | 04:16 | Kimi no Tameni Dekiru Koto | |
| 14 | 05:52 | Saikai ~Story~ |