Full Metal Yakuza
Full Metal Yakuza is a 1997 Japanese action and satire film directed by Takashi Miike. It was written by Itaru Era and based on a story by Hiroki Yamaguchi.
Aspiring yakuza Kensuke Hagane Tsuyoshi Ujiki is killed by gang violence along his idol and Yakuza boss Tosa Takeshi Caesar. Their corpses wind up in the hands of a scientist, who manages to keep Kensuke alive by replacing much of his body with cyborg pieces and some parts of Tosa, making him bulletproof and super strong. Kensuke then escapes from the scientist and searches for those responsible to get revenge.
Source: Wikipedia
