Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 2.9 | 黒服1a | 2:32 | 竹本晃 | serial experiments lain BOOTLEG | 竹本晃 | Album + Soundtrack |
| Pioneer LDC | PICA-1185 |
| Pseudo-Release | |||||||||
| 2.9 | Black Suit 1a (Full Length Version) | 2:32 | 竹本晃 | Serial Experiments Lain: Bootleg | 竹本晃 | Album + Soundtrack |
| Pioneer LDC | PICA-1185 |
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