2 Works in Omamori Himari
Naruto saves a small cat one day during. Years later a beautiful girl with a sword arrives and says she has a debt to repay. Now he has to handle being hunted by ravenous youkai and even more predatory girls.DeadFic.
The descendant of two lines, he was predicted to end the cycle of hatred, but they got a little detail wrong. It wouldn't be one but two he would stop.