The secret warriors of feudal Japan were the ninja. Sent on impossible missions, the ninja were trained to work in shadows, gather information and defeat the enemy to build a world of peace. Akakage, Aokage, and Asuka are rookie ninjas … Masanobu Ando, Jun Murakami, Kumiko Aso, Megumi Okina, Naoto Takenaka, Seizô Fukumoto, Ryoko Shinohara Added on Amazon Prime 2023-03-27.