| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| SECRET LOVERS ～ 羽丘淳 Vocal Ver. | 羽丘淳 | Kraster | KrasterのささやかなオマケCD Vol.8 | Not Available | ラクトガール ～ 少女密室 | |
| Remember History ～ 羽丘淳 Vocal Ver. | 羽丘淳 | Kraster | KrasterのささやかなオマケCD Vol.8 | Not Available | 懐かしき東方の血 ～ Old World |