| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| Arter all, there was no one there (Re:access 2020) | UMFO | Nostalgic Crescent | Ο+Σώμα=Ψ | Link | U.N.オーエンは彼女なのか？ | |
| 天狗の羽の休め時 (Re:rest 2020) | UMFO | Nostalgic Crescent | Ο+Σώμα=Ψ | Link | 風神少女 | |
| Ο+Σώμα=Ψ | UMFO | Nostalgic Crescent | Ο+Σώμα=Ψ | Link | 夢消失 ～Lost Dream |