- HD 1080
- Runtime: 128m.
- Status: Released
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- Languages: ja
- Country: Japan
- Director: Kenji Uchida
- Stars: Masato Sakai, Teruyuki Kagawa, Ryoko Hirosue, Yoshiyoshi Arakawa, Daisuke Hibi
- Production_studio: THE KLOCKWORX
- Slogan: If your life has you down… try out someone else's.
- The Key of Life is featured in the top rankings of 2012
- #36 in Top Comedy Movies of 2012
- #21 in Top Romance Movies of 2012
- #10 in Top Crime Movies of 2012
A failed actor switches identities with a stranger at a bath house thinking it is his way out of his life of misery but only to find himself filling the shoes of an elite assassin.
