Zombie of the Dead 3: Evolution King(2006)

Original title: ゾンビ・オブ・ザ・デッド3 エボリューションキング

This is the third installment of "Zombie of the Dead," the definitive "zombie movie" that has been causing a secret boom in recent years. Evolution, a new drug that shortens the gestation period, is a terrible drug that turns humans into zombies. The director of a hospital confronts the growing army of zombies.