The story of my angelic life that isn't as heavenly as you would think

Luna Newborn is a Nephilim. A product of a angel and human,seem easy right. She never knew her father and her mother died during child birth. in turn she was raised by her older sister Alex who had a very dangerous life of hunting monsters and other things go bump in the night. Luna is just trying to live a normal human life as everywhere she hunted and things are trying to kill her. Will she die? Will she fight? maybe even gain some experience and allies on the way of her crazy fucked up life.