徳川方の刺客達との戦いを通じて、甲賀流の少年忍者・サスケの活躍と成長を描く。作中で使用される忍術には科学的な解説による種明かしがされており、当時の読者層だった子供にもわかりやすく丁寧に書かれている。

(For Non-Japanese Viewers)
When you watch the video, please click the Gear icon "⚙ "in the top-right corner of the screen to access the subtitle options, then select your language if available.

Through battles against assassins of the Tokugawa faction, the story depicts the exploits and growth of Sasuke, a young ninja of the Koga school. The Ninjutsu techniques used in the story are explained scientifically, making them easy to understand for the children who were the target audience at the time.