PINCEST WARNING!!!!!! (If you don't like it simple. Don't read and don't hate.) Dipper and Mabel after a short turn of events have found feeling for each other and as the mystery twins of gravity falls realize it the strange happening in gravity falls increase and a new bigger threat is on the loose. Bigger than Bill and anything they've ever faced. Will the unstoppable mystery twins be able to handle what's coming or will they finally fall in the face of adversity?