Bohachi Bushido: The Villain (1974)

The Bohachi Clan, the most vile, corrupt organization with ties deep in the Shogunate, have controlled the flesh trade in Japan for generations. When threatened by a competitor, they employ Saburai, a nihilistic ronin on the verge of self destruction. Blood gushes and limbs fly for anyone who stands against Saburai as he instills the Way of the Bohachi.