: The OVA was released in Japan in 2011 and later dubbed into English by Sentai Filmworks.
: Following the 12-episode first season, this OVA remains one of the last animated entries for the series. A second season was never produced due to the passing of the manga's creator, Daisuke Satō, in 2017. Highschool of the Dead OVA
: While initially peaceful, the group is unaware that the island hides its own dangers, leading to a "truly shocking series of events" as they let their inhibitions down. : The OVA was released in Japan in