| Title | Artist | Time | ||
|---|---|---|---|---|
| 1 | 31N-M | 澤野弘之 | 4:04 | |
| 2 | Voices of the Voiceless | KOHTA YAMAMOTO | 4:52 | |
| 3 | Alone but Together | KOHTA YAMAMOTO | 5:37 | |
| 4 | 日本法医学研究院Days | KOHTA YAMAMOTO | 2:35 | |
| 5 | 正直者と正直者 | KOHTA YAMAMOTO | 2:57 | |
| 6 | Listener of Truth | KOHTA YAMAMOTO | 3:10 | |
| 7 | Track Out the Voice | KOHTA YAMAMOTO | 2:57 | |
| 8 | 31N-S | 澤野弘之 | 4:22 | |
| 9 | 謂れのない圧力 | KOHTA YAMAMOTO | 3:34 | |
| 10 | 31N-A | 澤野弘之 | 3:46 | |
| 11 | Signs of Psychopathy | KOHTA YAMAMOTO | 3:45 | |
| 12 | Signs of Incident | KOHTA YAMAMOTO | 3:42 | |
| 13 | 死者との対話 | KOHTA YAMAMOTO | 2:39 | |
| 14 | 無言の真実 | KOHTA YAMAMOTO | 3:37 | |
| 15 | 31N-P | 澤野弘之 | 3:59 | |
| 16 | パワハラ大王とドM弟� | KOHTA YAMAMOTO | 2:41 | |
| 17 | Career×Cheeky | KOHTA YAMAMOTO | 2:40 | |
| 18 | 偽真者 | KOHTA YAMAMOTO | 3:41 | |
| 19 | 明日を照らす真実 | KOHTA YAMAMOTO | 3:13 | |
| 20 | やさしさの印 | KOHTA YAMAMOTO | 3:42 | |
| 21 | Tears in rain | KOHTA YAMAMOTO | 3:17 | |
| 22 | Alone but Together -カルテ� | KOHTA YAMAMOTO | 2:52 | |
| 23 | Listener of Truth -Pf Ver.- | KOHTA YAMAMOTO | 3:19 | |
| 24 | 嘘つきの巣 | KOHTA YAMAMOTO | 3:21 | |
| 25 | 犯人対峙 | KOHTA YAMAMOTO | 3:29 | |
| 26 | 魚の小骨 | KOHTA YAMAMOTO | 3:14 | |
| 27 | 真相への糸口 | KOHTA YAMAMOTO | 2:51 | |
| 28 | Alone but Together -Pf Ver.- | KOHTA YAMAMOTO | 3:21 |
