THIS IS HDM ~Koshicollection vol.4~
| Track | Durée | Titre | Tablature |
| 1 | 00:00 | ANAL?ZIGOQ?æ€'????????? | |
| 2 | 00:00 | Go down to the Basement | |
| 3 | 00:00 | ??????????????ã‚'???? | |
| 4 | 00:00 | ??????? | |
| 5 | 00:00 | Secret Room | |
| 6 | 00:00 | iwara.tv | |
| 7 | 00:00 | ??????????? | |
| 8 | 00:00 | Harder | |
| 9 | 00:00 | ??????????????(Diartzh Remix) | |
| 10 | 00:00 | HDM is Not HDM |