Kashima refuses to participate, but then Linuma Shichibei (Kazuki Kitamura), the samurai who had appeared after Matoba's unit had been sent back in time, seeks him out and asks him what he is actually living for when he is not interested in saving the world.
Soon, they meet the leader of the army, Oda Nobunaga – who is actually Matoba, who has grown resentful of his own time period and intends to write Japan's history anew.
Now, using a battery from the magnetic shield as a kit-bashed nuclear device, he plans to make Mount Fuji erupt, thereby eradicating the Kansai region and establishing himself as supreme Shōgun.
In the meantime, Shichibei learns that his lord has wed his daughter, Nōhime (for whom the young samurai seems to feel more than respectful reverence) to the warlord and that the new arrivals are to be executed.
While Shichibei is wracked with self-doubt about the fate of his benefactors, his own experiences in the future and the duty to his lord, Tosuke manages to sneak inside the fortress, where he comes in contact with Nōhime.
The next morning, Saitō Dōsan returns to Anmo with fake news that Kashima and the remaining soldiers are headed for Kyoto to ask the emperor for assistance.
The film is considered an example of a fiction based on "the violent creation of an alternate future out of an altered past".,[1][2] or, in another approach, of a "weird war story", with its blend of supernatural and sci-fi.