Naruto: Ruthless

With the death of his parents Luke was heading towards depression.

In an effort to end it all he decided to end his life multiple times but failed everytime.

Causing him to develop insanity.

He then resorted to killing to ease his insanity or he thought so.

For the next 10 years every night he goes towards cities and villages with high population and kills anything that he deems to be evil. (His not a bad guy he is just insane)

On one of his regular hunts he was ready to end the life of his target but not until he was shot on the head killing him instantly.

Well what if that person somehow got reincarnated to the world of Naruto well let's find out.