Masanari (正成, Masanaru) is the head of a prominent ninja family from Iga Province who would later become supreme commander of the Shogun's ninja. In the anime, he helped the people of Tsubagakure escape Nobunaga's attack. The peace treaty between Iga Tsubagakure and Kouga Manjidani was originally implemented by him. He never appears in the manga, though is mentioned throughout the series.

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