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Disc1
| 1 | Cobalt World | Sangatsu no Phantasia | 4:26 |
| 2 | Blackboard Eraser | Sangatsu no Phantasia | 3:39 |
| 3 | Cobalt World (Instrumental) | Sangatsu no Phantasia | 4:26 |
| 1 | Cobalt World | Sangatsu no Phantasia | 4:26 |
| 2 | Blackboard Eraser | Sangatsu no Phantasia | 3:39 |
| 3 | Cobalt World (Instrumental) | Sangatsu no Phantasia | 4:26 |