Zombie Hunter

unknown to the world aliens have begun to invade people's bodies. a young race car pilot named toshio was won by a mysterious organization for a “test” for money. that test turned out to be a hellish training to become a zombie hunter. however, toshio decided to return to a normal life but soon face the harsh reality of a zombie hunter. surrounded by shallow figures and aliens toshio accepts his new life as a zombie hunter … (mangaka never finished the story)