Tomorrow the Obinata Fireworks Shop is being readied for a government seizure. For six years Keitarou has been trapped inside the shuttered plant, crafting fireworks alone while pursuing a phantom of his missing father. The narrative follows three youths who confront harsh climates, catastrophes, and ecological hardships, ultimately forging their own identities. Amidst the noise of explosions and the scent of gunpowder that lingers in corner, they learn resilience.