Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.12 | 友人のふり | 3:27 | 岡村靖幸 | 早熟 (digipak edition) | 岡村靖幸 | Album |
| Epic/Sony (logo of the Japanese company Epic/Sony Inc., Aug 1978–Mar 1988) | ESCB 1035 |
| 1.12 | 友人のふり | 3:27 | 岡村靖幸 | 早熟 (jewel case edition) | 岡村靖幸 | Album |
| Epic/Sony (logo of the Japanese company Epic/Sony Inc., Aug 1978–Mar 1988) | ESCB 1035 |
| 1.4 | 友人のふり | 3:27 | 岡村靖幸 | 靖幸 | 岡村靖幸 | Album |
| Epic Records (J-pop label, established 1978; use ONLY for releases by Japanese domestic artists after 2001!) | ESCB-1214 |
| 1.11 | 友人のふり | 3:28 | 岡村靖幸 | OH!ベスト | 岡村靖幸 | Album + Compilation |
| Epic Records (J-pop label, established 1978; use ONLY for releases by Japanese domestic artists after 2001!) | ESCB-2220, ESCB-2221 |
| 1.12 | 友人のふり | 3:26 | 岡村靖幸 | 早熟 | 岡村靖幸 | Album |
| GT music (Japanese imprint) | MHCL-20141 |
| 1.4 | 友人のふり | 3:28 | 岡村靖幸 | 靖幸 (Blu-spec CD) | 岡村靖幸 | Album |
| GT music (Japanese imprint) | MHCL-20140 |
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