The Hokage Is the Same Generation as the Six Paths, and the Immortal Mortals Are Dormant.

What if someone lived in the same era as the Brothers of the Six Paths, had immortality, but was stupid in nature? I was born in ancient times and do not know the future of the ninja world. I can only live forever. His talent was extremely poor and his training was difficult. Fortunately, Hamura taught him the origins and chakra of the ninja sect. Time flows slowly, witnessing the split of the Ninja Sect and the rise of the Ninja Village. Hiding behind the scenes, quietly protecting characters who should have fallen. A thousand years of waiting for the Fourth Ninja War. This time, the tragedy of reincarnation will be ended by my own hands. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.