Akamaru monogatari movie trailer

Akamaru monogatari 赤丸物語 or The Story About Red Circle

Movie tells a story about Japanese history, beginning with wars in 1600 AD.. Starting with Japanese civil wars and falling of Shogunat, after which comes the period of Japanese attacks on Russia and China, trough period of Great War and World War II. To this point movie is made like documentary, but after that it becomes a fiction. Japan prospers for the greater good of the mankind to the point when Earth is attacked by an alien force. Japan who was trained for war is the only one who can stand in the way of this much advanced war civilization. This is the time when they start their robots, to fight against alien threat.