Lone Wolf and Cub is a Manga from the 70's that was (of course) adapted into six films. Its about a Samurai who was the Shogun's Executioner. His family is murdered, except for his one year old son, and he is framed in a plot to kill the Shogun. He is given the opportunity to commit Seppuku but instead kills them men sent to see it carried out and he and his son go on a path of revenge.
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