Death of a Japanese Salesman

 is a 2011 Japanese documentary film written and directed by Mami Sunada about the illness and death of her father, Tomoaki Sunada.
The film was a box office success in Japan, and has won prizes at the Dubai and Chicago International Film Festivals and was described as one of the ten best films of the year by "The Japan Times".
Reception.
By December 2011, the film had earned over at the Japanese box office.