Two of us, One of you, and Another. ImmortalHD/Slyfoxhound fan fic

Two girls called Riley and Skylar moves to Colorado. They are also good friends with the creatures. Two creatures starts to fall for them in one night. Their friendship starts to change. Will they go good with them? In the end is someone broken. Or does everything go right in the end. Read this super dupper awesome story :P to find out.