sentences:  Upon his release, he is welcomed back by aspiring yakuza Kensuke Hagane (Tsuyoshi Ujiki), who idolizes Tosa and has been holding his wallet all this time.The two are unexpectedly taken to a location where they are shot by rivals seeking to have their superior Saratake selected as boss of the entire family instead of Tosa.Their bodies wind up in the hands of a scientist named Genpaku Hiraga, who attempts to turn the dying Kensuke into a hero of justice by replacing much of his body with cyborg pieces as well as the heart, full-back rising koi tattoo, and other parts of the deceased Tosa, making him bulletproof and extremely strong.