The Mole Song Undercover Agent Reiji REIJI , Mogura no uta sennyu sosakan Reiji? is a 2013 Japanese film directed by Takashi Miike and based on the manga series Mogura no Uta. It was released in Japan on February 15, 2014. A sequel has been announced.
The Hollywood Reporter s Deborah Young gave the film a positive review, calling it an irresistible cops and yakuza romp. Jay Weissberg of Variety said the film will be right up the alley of Takashi Miikes many fans.
Source: Wikipedia