| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| Lost Memories ～ 羽丘淳 Vocal Ver. | 羽丘淳 | Kraster | KrasterのささやかなオマケCD Vol.6 | Link | 神さびた古戦場 ～ Suwa Foughten Field | |
| key of light ～ Ne;on Vocal Ver. | 松葉悠紀 | Kraster | KrasterのささやかなオマケCD Vol.6 | Link | 東方緋想天 |