Bitwin, a South Korean DVD production and distribution company. After becoming a subsidiary of SM Entertainment, the company changed its name to SM Pictures after a shareholder meeting on 16 March 2007. On 11 May 2007, SM Pictures announced that it will venture into film production by producing its first film, "Attack on the Pin-Up Boys", with Pollux Pictures as its co-producer. On 29 June 2007, it was revealed that Cheongarahm, a film production company which had produced hit-movies such as "The Host" will be distributing the film.