| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| Empty melodies | cross | Project CASC | TOUHOU DELTA | Not Available | ネクロファンタジア | |
| Night Crawler | Shin Hirata | Project CASC | TOUHOU DELTA | Not Available | 風神少女 | |
| Rebirth」 | Akkey | Project CASC | TOUHOU DELTA | Not Available | 法界の火 | |
| Scarlet cursed | Akkey | Project CASC | TOUHOU SCARLET | Not Available | U.N.オーエンは彼女なのか？ | |
| Moon of the Vermillion | cross | Project CASC | TOUHOU SCARLET | Not Available | 亡き王女の為のセプテット |