Yokohama Underworld: The Machine-Gun Dragon (1976) a.k.a. Yokohama Ankokugai Mashingan No Ryu
Starring Bunta Sugawara and Shin’ichi “Sonny” Chiba
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Sugawara kills 25
Chiba kills 1
Yokohama Underworld: The Machine-Gun Dragon rights held by Toei.