Generation Reunion (16 and Pregnant saga)

Five years after Gravity Falls: The Next Generation.
Arianna and her friends officially graduate from college and return to Gravity Falls for a mini reunion, while there some crazy stuff happens, like pregnancies, and coming out to parents. Read for more juicy drama.
Hint of Dipcifica, special 10 chapter story.

*Note: Gravity Falls and it's Characters are owned by Alex Hirsch and Disney*