One

Rin wasn't one to discard any kind of strange happenings. Until the Zombies. The zombies were pushing it, but his zombified father eating one of the clergymen that had helped raise him and his brother was not just a nightmare. So he'd up and left with his twin and a few people who had found themselves in the same situation. Now though, now he was all alone. He had no idea if anyone from his original group had survived and his brother was long turned.

Blue Exorcist Zombie AU with some spicey twists.