Grave of the Fireflies (1988)

After their mother dies following an air raid, a young brother and sister in Japan at the height of World War II struggle to survive and protect one another in an abandoned shelter.

Review Flow - Into Film

Best Buy: Grave of the Fireflies [Collector's Edition] [DVD] [1988]

Grave of the Fireflies (1988)

Readers' Choice Marathon: Grave of the Fireflies (1988)

Grave of the Fireflies' Review: A Pioneering Animated Classic - The New York Times

Grave of the Fireflies 1988 Japanese Release Giclée

If you brighten the poster of Grave Of The Fireflies(1988), you will notice that some of the lights are not fireflies, but incendiary bombs from a B-25 bomber. : r/MovieDetails

Ghibli at GFC 2023: Grave of the Fireflies (1988) – 35th anniversary screenings – Gateway Film Center

Grave of the Fireflies, Ghibli Wiki