| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| S3 Intro | MAX BEAT | Stygian Riverside | S3 | Link | U.N.オーエンは彼女なのか？ | |
| Sadistic Scarlet Sister | MAX BEAT | Stygian Riverside | S3 | Link | U.N.オーエンは彼女なのか？ | |
| Sadistic Scarlet Sister(prototype Ver.) | MAX BEAT | Stygian Riverside | S3 | Link | U.N.オーエンは彼女なのか？ |