Hey guys! This is my first fanfic ever so please tell me your honest opinion(s). Hopefully, you'll enjoy the series.

~This chapter is originally published on 28/11/2015~

~This chapter has been rewritten and published on 23/8/2016~

Disclaimer: I do not own Gravity Falls, but I do own the plots and the OCs.

Chapter 1: Going Back To Gravity Falls

It's been two years since the Pines twins left the mysterious town of Gravity Falls. Ever since they got into high school, they've been packed with a tight schedule of school projects, homework, exams and all of that school stuff. Now that their long anticipated summer vacation has arrived, they finally have the chance to relax and throw away all the stress and pressure that school has given to them.

Dipper Pines, the brown haired boy was busy flipping through the pages of his beloved journal; the burgundy book with an image of a golden hand with six fingers and the number 3 in the middle. Despite the fact that it has multiple rips and tears due to age, it still contains a lot of encyclopedic information regarding of the strange creatures and happenings of Gravity Falls. Even though it's been two years, Dipper still showed great interest while reading the book as it reminds him of how much he misses the town and how it's still the main fire for his passion towards the paranormal.

He brushed his fingers lightly through his hair as he was reading and as he was about to drift off to space, he quickly came back to Earth upon hearing his sister's voice.

"Dipper, hurry up and finish your cereal!" Mabel squealed. "If you don't finish your breakfast now, we could miss our bus!"

"Oh right, sorry…" Dipper quickly apologized. He took a spoonful of cereal that was placed right in front of him and chewed slowly. He almost forgot that today, he and his sister was about to visit one of their favourite places ever, Gravity Falls. It felt like an eternity since they've last arrived, they missed everybody terribly and they felt the same way about them too.

"Dipper isn't this exciting?! We're finally going to see our peeps again!" Mabel squealed as she was washing the dishes. Nobody could deny that Mabel was obviously thrilled to find out that they were going to Gravity Falls again. The brunette was wearing one of her favorite sweaters ever, the purple one with a picture of a puppy playing a basketball.

"I know. I'm excited too! It's about time we finally get what we deserved." Dipper spoke.

"I mean it's kinda crazy, don't you think? How time flies so fast, like how we defeated Bill and survived the apocalypse? You know what they say!"

"Never mind all that!" The twins chimed in unison.

"And to top it all off, we had a birthday party and everyone in town came. If that's not the greatest summer ever then I don't know what is." Mabel continued.

"Well, the only thing that matters now is that we'll get to see them today!" Dipper exclaimed.

After their brief conversation, Mr. Pines and Mrs. Pines walked into the kitchen to check on their twins.

"So, are you guys ready for another summer at Gravity Falls?" Mr. Pines asked.

"Yes, we are!" The twins, once again, chimed in unison.

"Great. Are you sure that you guys are fully prepared and all the things you need are already packed?" Mr. Pines asked, again.

"Yeah!"

"Well then, let's get going!"

They've arrived at the nearest bus stop in town, which probably took them like a half an hour from their house. With already purchased tickets gripped tightly in their palms and a fair amount of luggage packed with their stuff stood by their side, they gave their parents a warm hug and bid them farewell before getting on the bus.

"Take care, sweeties! Keep an eye out for each other!" Mrs. Pines requested.

"We will, mom! Don't worry!"

"We love you guys!"

"We love you too!"

And with that, the bus took off and so began their trip to Gravity Falls.

-9 Hours have passed-

Dipper was focused on reading his journal. He was so keen on reading the part where a mutated squash was grown and it had the features of a human face and emotions. Personally, he thought that it was quite humorous how a vegetable could be so odd and how it managed to make it to the entries along with other paranormal events and mystical creatures. To top it off, he even caught himself smiling by reading an intentional pun written by the author. Meanwhile, Mabel was already awakened from her sleep which she has spent the last 7 hours.

Since she was sitting right next to the window, she could see the terrains and the wondrous scenery that was quite breathtaking. The night sky was beautifully illuminated with stars shining softly and as of right now, the bus was driving through the woods. As she was about to take her magazine from her backpack, the brunette noticed of what it seems to be a pillar of light rising from the deeper parts of the woods. Mabel couldn't believe what she was witnessing; she rubbed her eyes and look at the same direction again and it turns out, it is real. She clearly is seeing it with her own eyes.

Her mouth opened in surprise and told Dipper about what she is seeing. As he immediately lifts his head from the book, he was drizzled in shock as well. They looked at each other and then proceed to gaze upon the pillar of light. It seems like the pillar was coming from the underground and made its way to the top, aiming straightly at the sky. The twins looked around the bus to see if anyone else noticed, but most of the passengers were still in a deep slumber or too busy fiddling with their gadgets or too focused on reading the newspaper. They looked out at the window again but now that odd event was gone. It disappeared just like thin air.

"D-Dipper... What do you think that was..? D-do you think it's... B-Bill?" Mabel asked, worriedly.

"I-I don't know..." Dipper replied. "Let me check if I can find something."

With that, he shuffled through the journals to find any entries on the strange occurrences like the pillar of light they just saw. But nothing in the old book stated anything about it. He flipped through the pages, this time, checking on Bill's entries to find out anything similar or related. But once again, disappointment washes over him as the page still said none about what they've witnessed.

"Don't worry, Mabel." Dipper stated, trying to comfort his sister. "We'll ask Grunkle Ford as soon as we get there... But look on the bright side, I'm pretty sure we'll have one hour left before we stop at Gravity Falls."

"Oh yeah..." Mabel spoke softly. "Wait, did you remember when we took off?"

"I think it's somewhere around 11 o'clock. In the morning, of course."

-At The Mystery Shack, Gravity Falls-

"Oh my gosh, finally we're here!" Mabel exclaimed.

"Kids, you're back! I missed you so much!" A voice spoke behind them.

"Grunkle Stan!" The twins exclaimed in unison. They ran up and hugged him tightly after it felt so long, missing every piece of him.

"Wow, you guys are getting stronger." Grunkle Stan chuckled as he rubbed his arms. "Anyways, you guys must be tired. C'mon, let's go."

And as soon as they walked into the shack, they were welcomed with the sound of party blowers and a chorus of voices yelling "SURPRISE!"

A/N: This chapter is rewritten due to the fact that I was very unhappy with the first installment. I've read the first *original* chapter for quite a few times and I wasn't quite fond of it because it felt too rush and lacks character. I've written the publish dates to clarify so new readers won't get confused. So, I hope this makes up for it.

Oh and yeah... Even though, I wrote that the rewritten version of Chapter 1 should probably be published next week, turns out that you're getting it earlier. So yeah... *smiles awkwardly*