Okada Izō/Origin

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Origin
Okada Izō was a Japanese samurai of the late Edo period, feared as one of the four most notable assassins of the Bakumatsu period. He was born in Tosa to the gōshi Okada Gihei, who had been a peasant but had bought the gōshi rank. Izō and Tanaka Shinbei were active in Kyoto as assassins under the leadership of Takechi Hanpeita.