Hell Diary Music Disk I
| 1 | The Professor | 02:31 | |
| 2 | Kumiha's Theme | 02:08 | |
| 3 | Nastya's Theme | 01:58 | |
| 4 | The Professor - Investigation | 02:20 | |
| 5 | Delmun Corporation | 02:06 | |
| 6 | Delmun Night | 01:49 | |
| 7 | Urgent! | 01:09 | |
| 8 | The Professor (PC-88MkIIFE) | 01:58 | |
| 9 | Stakeout (PC-9801-86) | 01:27 | |
| 10 | Bonus - Downtown | ||
| 11 | Bonus - Fugue State | ||
| 12 | Bonus - File Select | 01:28 | |
| 13 | Bonus - Next Act! | 00:03 |
