THIS IS THE THIRD BOOK IN THE SERIES. READ THE OTHER BOOKS FIRST. I don't own Gravity Falls or the characters. Everyone is eighteen. Y/n is alive, but she is a demon. She must kiss a human to become a human again. She wants to kiss Dipper since she still loves him, but Dipper has a girlfriend named Ruby. What will y/n do? How will she react? How will everyone react when they find out that y/n is alive?