| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| High card | D.watt | OTAKU-ELITE Recordings | Spade and Diamond EP | Not Available | 彼岸帰航 ～ Riverside View | |
| Straight Flush | D.watt | OTAKU-ELITE Recordings | Spade and Diamond EP | Not Available | 今昔幻想郷 ～ Flower Land | |
| Joker | D.watt | OTAKU-ELITE Recordings | Spade and Diamond EP | Not Available | ポイズンボディ ～ Forsaken Doll | |
| Spade and Diamond | D.watt | OTAKU-ELITE Recordings | Spade and Diamond EP | Not Available | 六十年目の東方裁判 ～ Fate of Sixty Years |