| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| US AND LIES | Seppel | Sleepless | Sleepless Demo 2 | Link | Trance | Original? |
| Never Forget | Seppel | Sleepless | Sleepless Demo 2 | Link | Trance | Original? |
| LOST WORLD | Seppel | Sleepless | Sleepless Demo 2 | Link | Trance | 少女綺想曲 ～ Dream Battle |
| ONLY YOU | Seppel | Sleepless | Sleepless Demo 2 | Link | Trance | 少女綺想曲 ～ Dream Battle |