Sanae Nakahara

Three brothers are torn apart in the Yakuza underworld as rival gangs ignite a brutal conflict that tests loyalty, family, and survival.

In the second entry, The Boss's Head, Sugawara is Kuroda, an itinerant gambler who steps in when a hit by drug-addicted assassin Kusunoki (Tampopo's Tsutomu Yamazaki) goes wrong, and takes the fall on behalf of the Owada family, but when the gang fails to make good on financial promises to him, Kuroda targets the family bosses with a ruthless vengeance