| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| No continue ! | Raiki | R／K Project | Crimson Septet | Link | U.N.オーエンは彼女なのか？ | |
| Crimson Septet | Raiki | R／K Project | Crimson Septet | Link | 亡き王女の為のセプテット | |
| Violent | Raiki | R／K Project | Eight Of Standard | Link | 幽霊楽団 ～ Phantom Ensemble | |
| Flight | Raiki | R／K Project | Re:vival | Link | Original? |