Touhou Gairai Ihen: Strange Creators of Outer World Vol. 4 Special CD
| Composed by | ZUN |
| Arranged by | sekken-ya |
| Published by | ASCII MEDIA WORKS |
| Release type | Game Soundtrack - Promo / Enclosure |
| Format | 1 CD - 3 tracks |
| Release date | October 31, 2017 |
| Duration | 00:11:17 |
| Genres |
| 1 | 巡る Harvest | 03:57 | |
| 2 | 無生命サーフェス | 03:37 | |
| 3 | 終わる現実と、遥か後方の | 03:43 |
