| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| Scarlet in the darkness | いっちー | Holiday Laboratory | CLEAN | Not Available | 亡き王女の為のセプテット | |
| やま | はっしー | Holiday Laboratory | CLEAN | Not Available | 妖怪の山 ～ Mysterious Mountain | |
| 傘ゴルフ | はっしー | Holiday Laboratory | CLEAN | Not Available | 万年置き傘にご注意を |