When a tragedy befalls their fellow students on graduation day, three pupils of the Hayate Way's Ninja Academy must take on the Jakanja — a clan of evil space warriors. But they can't do it alone. Can they find the help they need? And can the young warriors act swiftly enough to defeat the Jakanja before they destroy the known universe?

A woman suffers from a rare form of temporary amnesia, lasting for a day. Her shy colleague, who is secretly in love with her, tells her that they are a couple in order to experience being with her for just one day.

When a tragedy befalls their fellow students on graduation day, three pupils of the Hayate Way's Ninja Academy must take on the Jakanja — a clan of evil space warriors. But they can't do it alone. Can they find the help they need? And can the young warriors act swiftly enough to defeat the Jakanja before they destroy the known universe?

A woman suffers from a rare form of temporary amnesia, lasting for a day. Her shy colleague, who is secretly in love with her, tells her that they are a couple in order to experience being with her for just one day.