Brave Police J-Decker (勇者警察ジェイデッカー Yūsha Keisatsu Jeidekkā) is the fifth series of the anime television meta Brave series (Yūsha) created by Takara and Sunrise. Brave Police J-Decker returns the series to a subtly lighter tone, focusing more on the concept of "robot as human-built AI construct". The series takes place in the fictional city of Nanamagari City.
Robberies are happing all over the city but there is never any evidence. In follow to follow a lead Yuuta must go undercover at an all-girls boarding school. The girls are being controlled using power to start robberies.