[Teuthida]

Maybe you don't think they exist now simply because of how secretive and stealthy they really are. No one will outright say they are a ninja. Plus when ninjas were used back in feudal Japan, their tricks led to all sorts of myths about them: that they can walk through walls, change shape, become invisible, fly...and ride giant toads. These myths make the history of the ninja even harder to trace...and also make them seem supernatual...which may be another reason Kyuzo believes there are no modern ninja.

First and foremost ninja were used for information gathering...not assassins...or even spies really. One can learn ninjustsu, as GM here says he is. Good skills to have but I doubt he'll be putting them to use infiltrating enemy territory...or I could be wrong... In these times, in this country, ninja are not needed as they were in the Warring States period in Japan. Mixing the tradition of ninjutsu with modern technology could make one a formidable spy though.