During the Warring States Period, the Ninja Continent was in constant war.
At this time, the so-called ninja village system had not been created, and the so-called ninjas were just... Killing machines employed by the daimyo!
In the Kingdom of Thunder, by coincidence, a young man was added to the killer training program founded by the Daiming family...
...
PS: There will be some explanations at the top of the comments, and the introduction is endless. If you like it, just click on it and give it some flowers.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
