In 2010, elementary school teacher Ichikawa Shinichi (Aikawa Sho) transformed into a zebra man, defeated the invading aliens, and became an idol for all mankind. But after that, Ichikawa mysteriously disappeared and his whereabouts are unknown. 15 years have passed in a blink of an eye, and Japan has undergone tremendous changes. Good and evil are reversed, and evil is rampant. Tokyo is renamed Zebra City, and there are 5 minutes every day called "Zebra Time". At that time, the fully armed Zebra police are out in full force, launching a ruthless massacre of the citizens who are still stranded on the streets. The evil Kozo Aihara (Gadar Kanal Taka) and her daughter Zebra Queen (Naka Riisa) rule here. Under the shadow of their powerful violence, there are many followers and few rebels. One day, the White Horse House, which specializes in taking in those injured by the Zebra Police, ushered in an unusual patient. He is Ichikawa, who has disappeared for 15 years, but he knows nothing about the past. Ichikawa's student Shinpei (Inoue Masahiro) and his friends take good care of him, hoping that Ichikawa can recover his heroic spirit as a zebra man as soon as possible and lead the people out of the sea of suffering...