Sometime in the not so distant future, scientists in Tokyo create a robot to bring lethal justice to their lawless streets. However, this robot, MX-A1, goes haywire and turns on its creators. Rather than allow him to be scrapped, his co-creator Kaoru Saegusa rebuilds him into a new robot hero with human emotions. Now Janperson, our hero, patrols the streets of Tokyo to eliminate the threat of its four main crime syndicates.
