約束の君
| Arranged by | HiZuMi |
| Published by | Yuuhei Satellite |
| Catalog number | MDK-003 |
| Release type | Game Soundtrack - Official Release |
| Format | 1 CD - 4 tracks |
| Release date | July 18, 2015 |
| Duration | 00:15:29 |
| Genres |
| 1 | 約束の君 | 04:07 | |
| 2 | 約束の君 (Instrumental) | 04:07 | |
| 3 | 必然のカタストロフィ | 03:38 | |
| 4 | 必然のカタストロフィ (Instrumental) | 03:37 |
