Meagazone 23 is a four-part original video animation created by AIC, released 9 March 1985, written by Hiroyuki Hoshiyama, and directed by Noboru Ishiguro, Ichiro Itano, Kenichi Yatagai and Shinji Aramaki. It was originally titled Omega Zone 23 but the title was changed just before release. The events take place in a post-apocalyptic future, where Tokyo only exists as a simulated reality. The story follows Shogo Yahagi, a delinquent motorcyclist whose possession of a government prototype bike leads him to discover the truth about the city. Parts of it were used to make Robotech: The Movie.