Appears on releases
| # | Title | Length | Track artist | Release title | Country/Date | ||||
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.1 | 夢かもしれない(Instrumental Version) | 2:04 | 家原正嗣 & 山本紀昌 | 「ふしぎ遊戯第二部」音盤体系 第四集～Sensitive Mind |
| ||||
| Bootleg | |||||||||
| 1.1 | 夢かもしれない [Instrumental Version] | 2:07 | 家原正嗣 & 山本紀昌 | ふしぎ遊戯 第二部 音盤体系 第四集 Sensitive Mind |
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| Pseudo-Release | |||||||||
| 1.1 | It Might Be A Dream (Instrumental Version) | ?:?? | 家原正嗣 & 山本紀昌 | Image Mini Album Series Fushigi Yugi Part 2 Sound System-Vol. 4 Sensitive Mind- | |||||