gf au where during weirdmaggedon instead of giving up Stan's memories in exchange for the world, ford decides to escape gravity falls w/ Stan to save him, and leaves the town behind. and bill gets pissed cause he's trapped in gf, so in stead of killing off the twins he recruits them to hunt ford down and bring him back, or else he'll kill everyone inside the rift. and dipper becomes super dedicated to finding ford because he holds a grudge against him for abandoning them, and Mabel starts going crazy from all she has to see. they be like 20 in this

I'll color this in eventually
probably