As the cannon is prepared to launch, Torii spots Ginjiro on the platform, engaging in battle against him. When the rocket is ignited, the ice on the platform begins to crack, the rocket kills a crowd in canoes, and the platform itself is destroyed. Oriku is upset that her project was a failure. When Seikichi, Sora, and Shunpei returns to the island, the residents suffer from thrift laws as a consequence of the faltered cannon. As Ginjiro finds out that Torii wanted to attack foreign ships, he also realizes that Toyama wants to bomb foreign countries. Seikichi proceeds to launch the rocket the next day, all to show everyone the greatest creation ever made, despite Toyama's plans. Akai encounters the blue sky beast, who was disguised in human form.