ONE DAY / CHIHUYU/Yui Sakakibara
| Published by | CARAMEL-BOX |
| Release type | Game Soundtrack - Promo / Enclosure |
| Format | 1 CD - 3 tracks |
| Release date | December 22, 2005 |
| Genres |
Bonus for preordering Aekanaru Sekai no Owari ni First Press Edition (JAN: 4520424180035).
| 1 | ONE DAY | ||
| 2 | ONE DAY (カラオケバージョン) | ||
| 3 | (data track) |
