A Japanese Funeral - 2010 was released on:

USA: November 2010

A Japanese Funeral - 1913 was released on:

USA: 18 September 1913

If the Japanese emperor dies, it will trigger a process called "Daikyo," which refers to the funeral and mourning period. The eldest son of the emperor, who is next in line, will then ascend to the throne following a succession ceremony. The Japanese government and people will observe mourning customs and conduct a state funeral to pay respects to the deceased emperor.

they normally use a funeral pyrer instead of burying their dead, then store the ashes in an ern

A funeral greeter cleans and drive funeral vehicles in a funeral procession. You have to place caskets in parlors or chaples to wake or funeral.