Traveling back to the Warring States Period of Naruto, I carried the system but did nothing for decades. It was not until I became old that I realized the true use of the system. When you have an infinite lifespan and look at the familiar faces from young to old, you can only sigh: "How lonely it is to be invincible..."
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
