Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.1 | プロローグ | 2:14 | 横山智佐 | 7つの恋の物語 | 横山智佐 | Album |
| APOLLON (imprint of Apollon Music Industrial Corp. (later Apollon Inc.)) | APCA-77 |
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