All 12 episodes of the Japanese anime which follows Ittoki Sakuraba (voice of Ryota Osaka), who learns that he is the rightful heir to the noble Iga ninja clan after an attempt is made on his life by members of a rival clan. He is sent to the last remaining ninja academy in Japan to develop his skills and learn how to protect himself, where he meets new friends and enemies and has to decide who he can trust. The episodes are: 'A Bolt from the Blue', 'Merciless Choices', 'Quirks of Fate', 'Crafters and Users', 'Cycle of Pain', 'Shadow and Warmth', 'Where Does Justice Lie?', 'Dusk Brings a Storm', 'In the Light of Dawn', 'Those Taken, Those Taken From', 'The Path With No Regrets' and 'Ittoki the Ninja'.