You worked at the mystery shack during summer and on weekends, it was what you did when you weren't in school. This summer Stan's niece and nephew came to stay at the shack instead of being indoors all day. You were expecting a pretty normal summer but you were definitely wrong.

Gravity falls was pretty weird, lot's of really strange 'animals' and creatures.. but no one ever questioned, expect Dipper and Mabel. All summer the two had been dragging you around with them to find out more about Gravity Falls after Dipper found a journal in the woods.. and it was actually pretty fun.

Today was no different, apart from the fact Mabel was out with her friends, so it was just you and Dipper. You two had been exploring all day and were pretty tired, especially after almost being kidnapped by hundreds of gnomes.. You'd both arrived back when you both noticed that the vending machine was slightly adjacent.. weird..

"What the heck.."

Dipper said quietly sounding very confused

The two of you decided to investigate it.. pretty confused by it. You pushed it aside revealing a staircase down to some hidden basement revealing a massive triangle like portal behind a control room.. it almost looked abandoned.. what will you do?