Totsugami

From FairGame:

Narukami Tasuku isn't just an average high schooler. He can see a ghost and demons, even thought he doesn't want to. One day he was involve in one incident and found out that his family's were totsugamimori, the one who protect the totsugamizuka. He is the only person in his family that he became a heir of totsugamimori, and now, as a heir of tosugamimori, he was drag into their world...