Reversed Gravity Falls

After 1 year, our beloved Pines Twins; Dipper and Mabel Pines are now back.
They're back for their another adventurous summer at the mysterious town called Gravity Falls.

But their new summer is way more weirder than usual. A portal appeared out of nowhere.

They'll meet new friends and new enemies.

But what would go wrong?

//A Gravity and Reverse Falls fanfic