Three years after Weirdmaggedon, Bill's twin sister arrives in Gravity Falls on a mission. Return Bill to the third dimension. Dipper agrees to help teach Bill how to be a human, and Ford is confused by Jill's existence. Rated T for language. BillxDipper and FordxOC REWRITE IN PROGRESS! WILL NOT BE CONTINUED!

Most people are born with a name tattooed on their inner wrist, in every written language imaginable; some people are born without. Dipper Pines is born with a small black triangle with a flesh colored dot at the center printed neatly onto his skin, standing out against its dark backdrop like an open eye. He doesn't know what to make of this. (Soulmate AU)