Reiji Kikukawa, who has a strong sense of justice, graduated from the police academy with the lowest score ever. He becomes a police constable, but is suddenly fired by the Police Chief due to "disciplinary" issues. In actuality, the firing is part of a carefully orchestrated plan to set him up as an undercover cop in the Yakuza.
The Mole Song: Undercover Agent Reiji is a 2013 Japanese film directed by Takashi Miike based on the manga series Mogura no Uta. It was released in Japan on February 15, 2014. A sequel, The Mole Song: Hong Kong Capriccio was released on December 23, 2016.
