This isn't a movie about war or its aftermath. It's about a child watching his mother die slowly while scrounging metal in the ruins, and understanding there's nothing he can do to stop it. Gen keeps moving because he has to, because his friends are starving, because staying alive is the only rebellion left. The film never turns suffering into nobility or survival into triumph. It just watches a kid be a kid in a place where childhood ended three years ago, and that refusal to make it mean something larger is what breaks you.
Three years after the atomic bomb reduced Hiroshima to ash, Gen is a fourth-grader picking through ruins for scrap metal to feed his family. His mother's health deteriorates each day, weakened by radiation poisoning that no one fully understands. The city has begun to rebuild, but survival remains a constant struggle for those left behind. When Gen meets a group of orphans surviving on the streets, he finds something unexpected: kinship. Alongside Ryuta and a girl whose burn scars tell the story of August 6th, Gen becomes part of a ragtag family held together by stubborn resilience. An elderly man broken by grief joins their circle, and together they share what little they have and what hope remains. But hope is fragile in a world still scarred by catastrophe. Death comes quietly to children with nowhere to go, and trauma lingers in every shadow. Gen must learn that survival isn't just about finding food or shelter. It's about choosing connection when everything around you screams for despair.