The film is titled Mogura no Uta: Hong Kong Kyōsōkyoku (Hong Kong Capriccio).
The first film, Mogura no Uta: Senyū Sōsakan Reiji, opened in February 2014.
The official website for the sequel film to the live-action film adaptation of Noboru Takahashi’s Mogura no Uta crime manga revealed the film’s title additional cast, and December 23 opening on Tuesday.
Takahashi is also drawing a side story, Mogura no Uta Gaiden Papillon Dance, in Shogakukan’s Monthly Spirits.