Naruto: Warring states Shinobi SI

How would a modern docter survive in a brutal and violent fictional world? Especially, if it was in the most violent and war filled era of the same world. Watch as the paranoid man survive clan invasions, bandit attacks, noble dealings from the Warring states era and enter the hidden village era.

-P.S : The mc has minor cheat-An AI that was as powerful and smart as a common human mind but none of the emotions or sense of self. It can't even interact with host body directly, only recieving information from Host or his senses through using the chakra.