Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 2.2 | ずっと | 4:31 | 岡村孝子 | T's BEST season 2 (通常盤) | 岡村孝子 | Album + Compilation |
| YAMAHA MUSIC COMMUNICATIONS | YCCW-10392, YCCW-10393 |
| 5.15 | ずっと | 4:30 | 岡村孝子 | 音の魔術師／作編曲家・萩田光雄の世界 | 萩田光雄 | Album + Compilation |
| GT music (Japanese imprint) | MHCL-30695, MHCL-30696, MHCL-30697, MHCL-30698, MHCL-30699 |
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