| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| Discover the World(Prototype) | Y.M.Z. | Sound crew-I'll- | Discover the World-Trial Edition- | Link | 少女秘封倶楽部 | |
| Mysterious Merry(Demo Ver) | Y.M.Z. | Sound crew-I'll- | Discover the World-Trial Edition- | Link | 魔術師メリー |