This movie takes place after the events of the series Kamen Rider Den-O (2007) and the movie Gekijôban saraba kamen raidâ Den'ô: Fainaru kauntodaun (2008), and also takes place between episode 15, Chô Momotarosu, sanjô! (2009), and episode 16, Keikoku: Kabuto bôsôchû (2009), of the series Kamen Rider Decade (2009).