Oh! Oku is a Japanese historic romantic drama film released on December 23, 2006, by Fuji Television. The film revolves around the Ejima-Ikushima affair of 1714. Director Tōru Hayashi and screenplay writer Taeko Asano also directed and wrote the 2003~2005 television series of the same name on the Fuji Television.
The theme song, Unmei, was written and sang by Kumi Koda