"Graduation") is the twelfth major-label (and thirteenth over all) single from the Japanese pop group Zone.

It was released on February 4, 2004 through Sony Music Records under their MSI label.

[1][2] "Sotsugyō" was released on February 4, 2004 through Sony Music Records under their MSI label.

[1] In 2006, Oricon ran a user survey in which Zone's release of "Sotsugyō" was ranked #16 overall for "The Epitome of Graduation Songs".

[4] Noriyuki Machida composed and wrote the lyrics for both songs on the single.