A Hida ninja wearing a red mask, his name is Akakage! Akakage, who serves the tactician Takenaka Hanbei, receives orders from Kinoshita Tokichiro and infiltrates the village with Aokage to investigate the mysterious religion of Kinmekyo! Akakage fights against a huge enemy's conspiracy. The definitive version of the ninja manga that was also made into a TV anime!!