let's_go!_(k-on!)
Character single song from K-On!.
Also the title of a K-On! live concert held at Yokohama Arena on 30 Dec 2009 (see: pool #1966).
Character single song from K-On!.
Also the title of a K-On! live concert held at Yokohama Arena on 30 Dec 2009 (see: pool #1966).