| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| Another Sun | HIDDEN TREASURE | HIDDEN TREASURE | Innocent Treasures | Link | Original? | |
| Innocent Treasures | HIDDEN TREASURE | HIDDEN TREASURE | Innocent Treasures | Link | 童祭 ～ Innocent Treasures | |
| 渡る者の途絶えた橋（demo） | HIDDEN TREASURE | HIDDEN TREASURE | Innocent Treasures | Link | 渡る者の途絶えた橋 |