Grave of the Fireflies 1988

 This was a Studio Gibli film about the firebombed of Kobe, Japan anarchy 1945 and is centered on a brother and sister. Suitable 14 and his sister Setsuko 4. 

The film was an animated adaptation of a short story. The film was not intended to be an anti-war film but showed how difficult Japanese society became during the last year of the war.

Having lived in Japan and spoke to survivors and their children of the war, the film is very powerful but also very emotional.