Nasu, Japan - In the season two finale, Agent Kai must defeat Tamamo-no-Mae in the past, present and future before she unleashes her foxfire upon the world.
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Agent Kai uses the legend of Takezō Miyamoto in this episode. This name comes from Eiji Yoshikawa's novel MUSASHI (https://www.goodreads.com/book/show/102030.Musashi)