is the 11th major single by the Japanese idol group AKB48, released on March 4, 2009.
It's a school graduation song.
The single peaked at number 3 in the Oricon Weekly Singles Chart.
10 years after the song was released, as well as the same day, the other center and now graduate, Atsuko Maeda, gave birth to her son. Some of the fans joked that they had named the child Sakura/Zakura in commemoration of the anniversary.
The single was released in two versions: (CD+DVD, catalog number KIZM-25/6) and (CD only, catalog number NMAX-1080).
Bonus (First press limited edition only)
See Regular Edition CD
(Team affiliation at the time of the release. The members featured on the cover of the Theater Edition are in bold.)
Centers: Atsuko Maeda and Jurina Matsui