Question:

They killed far more than Germany, there's always new movies on Nazi Holocaust but I can't find any movies or films on Japanese Holocaust?

Answer:

The number of Nazi holocaust victims is 17.000.000
http://en.wikipedia.org/wiki/The_Holocau…

The number of Japanese holocaust victims is 10.000.000
http://en.wikipedia.org/wiki/Japanese_wa…

There is a Chinese movie on Nanking Massacre, called "City of Life and Death" (2009)
http://www.imdb.com/title/tt1124052/

Another film about the rape of Nanking is a documentary called "Nanking" (2007)
http://www.imdb.com/title/tt0893356/user…

During the WW2 my country too committed atrocious crimes against Jews but there were some who risked their lives to safe them. I have it all not only from history books but my old grandma told me.

Also, when hating Japanese, note one person called Chiune Sugihara http://en.wikipedia.org/wiki/Chiune_Sugi… I think that might change your view.

ADDED: There were 11.000.000 lives lost in China 2.000.000 lives lost in Japan. 25.568.000 lives lost in Soviet Union, 7.060.000 in Germany and 6.850.000 in Poland. http://www.secondworldwar.co.uk/casualty…