| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| Protocol | ritokatsuga | ritokatsuga | Protocol | Link | Rock | A Sacred Lot |
| Maiden (Protocol ver.) | ritokatsuga | ritokatsuga | Protocol | Link | Rock | 永遠の巫女 |
| Legend | ritokatsuga | ritokatsuga | Protocol | Link | Rock | 天使伝説 |
| Kage | ritokatsuga | ritokatsuga | Protocol | Link | Rock | The Legend of KAGE |