Tokyo Zombie (2005)
Original title: 東京ゾンビ
Tokyo Zombie is a 2005 Japanese-language comedy movie directed by Sakichi Sato, with a running time of 1h 44m. It stars Tadanobu Asano, Show Aikawa and Erika Okuda.
Two Japanese friends accidentally kill their boss and dump his remains in Black Fuji, a mountain/landfill hybrid. This leads to poor results when the chemicals of the landfill mix with the corpse (and many other corpses) to give rise to a zombie infestation in Tokyo.