The Pornographers

The Pornographers is a 1966 Japanese film directed by Shohei Imamura and based on a novel Erogotoshitachi by Akiyuki Nosaka. Its original Japanese title is Erogotoshitachi yori Jinruigaku nymon , which means An introduction to anthropology through the pornographers. It tells the story of porn filmmaker Mr. Subuyan Ogata, whose business is under threat from thieves, the government, and his own family.

Source: Wikipedia