Tetsuo: the Bullet Man

A man with an American father and a late Japanese mother resides and works in Tokyo. After his son is fatally struck by Yatsu, known as "The Metal Fetishist," the man begins to undergo a metallic transformation. He investigates his father's scientific background and finds a hidden room in his father's home containing documents about the Tetsuo Project, a program aimed at converting humans into androids.