Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 2.1 | 独りんぼエンヴィー | 3:22 | koyori feat. 初音ミク | 初音ミク -Project DIVA- X Complete Collection (完全生産限定盤) | Various Artists | Album + Soundtrack |
| breakvag | SRCL-9059, SRCL-9060, SRCL-9061, SRCL-9062 |
| 2.1 | 独りんぼエンヴィー | 3:22 | koyori feat. 初音ミク | 初音ミク -Project DIVA- X Complete Collection (通常盤) | Various Artists | Album + Soundtrack |
| breakvag | SRCL-9063, SRCL-9064 |
| Pseudo-Release | |||||||||
| 2.1 | Solitary Envy | 3:22 | koyori feat. Hatsune Miku | Hatsune Miku -Project DIVA- X Complete Collection | Various Artists | Album + Soundtrack | |||
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