The story of a lower-class ninja assigned to a high-class mission.

After World War II, the Allied Command in Japan developed an agency to help manage terrorism and violence within the Pacific region. This agency became secretly staffed with Japanese ninja, who were initially tasked to handle domestic affairs. Eventually that program grew to its current form, managing 20,000 ninja across a range of domestic and international affairs. One of those ninja happens to be Kudo, a seventeen-year-old high school loser. A twist of destiny turns Kudo into the next line of defense against a potential surge in foreign assassins invading Tokyo.

A high school loner is given the part-time job of a lifetime as a modern day ninja tasked to perform international assassinations. After World War II, Allied Command in Japan developed a new agency to help manage terrorism and violence within the Pacific region. The agency was staffed with ninja and they were initially tasked to handle domestic affairs. Eventually that program grew to its current form, managing 20,000 ninjas across a range of domestic and international affairs. One of those ninjas happens to be Kudo. The seventeen-year-old high school loser is now poised to be the next line of defense against a potential surge in foreign assassins invading Tokyo.