Human - Gravity Falls [Revised]
The story takes place five years after the show ends. Dipper and Mabel come back to Gravity Falls for the first time since then, and they are greeted by both friend and enemy...
WARNING!!: this story contains spoilers! I suggest having at least watched all the Weirdmageddon episodes before reading.
I'm really not great at summaries but thanks for reading!
(Credit to artists)