|Album||Clannad Original Soundtrack|
|Released||13 August 2004|
|Label||Key Sounds Label|
|Music by||Magome Togoshi|
|Arrangement by||Magome Togoshi|
Fantasy (幻想, Gensō) is the second track of the first disc of the Clannad Original Soundtrack album. It was released on 13 August 2004. There is a second version of Fantasy known as Fantasy II, which is the first track of the third disk of the Clannad Original Soundtrack. Both of the versions are played during the scenes which take place in the Illusionary World both in the anime and the visual novel.