What follows is a heartbreaking struggle for survival. At first, Seita tries to maintain a brave face for his sister, using what little money they have to buy supplies and moving in with a distant aunt. However, as resources dwindle and the aunt’s resentment grows, Seita makes a fatal mistake born of pride: he moves Setsuko into an abandoned bomb shelter, believing they can live independently.
The glowing, drifting lights of the fireflies visually mimic the tracer fire of anti-aircraft guns and the burning kamikaze planes descending from the sky.
While the film is inherently an indictment of war, Takahata also intended it as a critique of isolation and pride. Seita’s decision to leave his aunt’s house is driven by adolescent pride. In his attempt to build a utopian world for just him and his sister, he cuts off the social safety nets that might have kept Setsuko alive. Takahata used this dynamic to warn contemporary audiences about the dangers of a society lacking community empathy and cooperation. 3. The Loss of Childhood Innocence