We are not sure of the release date for Z～ゼット～果てなき希望. It was released at the box office on 2014-07-26 so we estimate it was released to DVD in October 2014.
Director: Norio Tsuruta
Cast: Noriko Kijima, Mayu Kawamoto, and Miharu Tanaka
A pandemic causes a massive outbreak of zombies. Several uninfected people take refuge in a hospital to evade the reanimated ghouls that keep attacking even if they are split in half by a sharp blade, but become increasingly paranoid. Will they be able to survive?