Written and directed by Isao Takahata and animated by Studio Ghibli. This 1988 Japanese animated war tragedy film is based on the 1967 semi-autobiographical short story Hotaru no Haka by Akiyuki Nosaka. Set in the city of Kobe, Japan, the film tells the story of two siblings, Seita and Setsuko, and their desperate struggle to survive during the final months of the Second World War. Grave of thee Fireflies has been ranked as one of the greatest war films of all time and has been recognized as a major work of Japanese animation.