Prologue : Kneel before your master

(I do not own Gravity falls it is owned by Alex Hirsch and Disney)

After their first summer in gravity falls dipper and Mabel return one year later at the new age of 13, nothing has changed since they left other than the strange nature of gravity falls that hasn't left. Now the gang must reunite to save the world from a new threat who may have a connection with bill cipher himself as well as something more sinister.

(Story might turn dark later on) (But I will still keep it as classic fun loving gravity falls)