Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.9 | 伝言 | 5:00 | 子安武人 (星宿) | ふしぎ遊戯 全曲集～歌曲天地之箱～ | Various Artists | Album + Compilation + Soundtrack |
| Columbia Music Entertainment (Japanese logo, Oct 2002 – Oct 2010) | COCX-33530, COCX-33531, COCX-33532, COCX-33533 |
| Pseudo-Release | |||||||||
| 1.9 | Message | ?:?? | 子安武人 | Fushigi Yuugi Complete Song Collection ~Kakyoku Tenchi-no-Hako~ | Various Artists | Album + Compilation + Soundtrack | |||
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