Tokyo Zombie (2005)
Fujio and Mitsuo are two fulltime slackers who work in a fire extinguisher factory. The two spend their lunch hours training to fulfill their dreams of being jujitsu champions. One day, they murder their boss and dump his body on a Tokyo toxic waste dump known as "Black Fuji". Things suddenly become worse when an army of the undead rises from the waste dump and begin to attack the living. In order to survive, they will have to employ their limited jujitsu skills, to either help or escape Tokyo.