A/N-Just thought this was a cool pic, I don't know who the artist is, full credit to whoever. If somebody knows who drew it, feel free to tell me. It really is an amazing cool piece.
Your P.O.V.
Since Mabel was in such a hurry to get to the pool, none of us changed at the shack. You scanned the area, looking for the bathroom. (It was in the corner, and it looked like a red shed.)
"Well, come on Mabel. Let's go change."
Dipper glanced at Bill. "Yeah, I guess we should head to the bathroom, too."
Bill's P.O.V.
Shooting Star and Sweetheart went to the girls' bathroom to change, while I was stuck with Pine Tree. After the girls left, we stalked off to the boy's bathroom.
I smirked down at Pine Tree, knowing exactly what he was thinking. "I'm already thinking of all the embarrassing stuff I'll have you do as my little man-servant."
Dipper scoffed. "Not going to happen." He looked up at me, determined. "Somehow, I'm going to win this, and beat you and you'll be the one to suffer demon butler!"
Fat chance.
Your P.O.V.
Mabel and you went inside the semi-gross bathroom/changing area and chose stalls next to each other. Mabel of course, bless her heart, unconsciously made the situation awkward by starting conversation.
"Who do you think is going to win the bet? Dipper's probably going to embarrass himself because he's so awkward, but Bill could get cocky-" She sounded like a sports announcer droning on and on. Meaning, you couldn't listen past the first sentence.
Mabel unlocked her stall and stepped out, wrapping on my door. "(Y/N)! You done? I want to see how cute you look!"
"Uh, you go on out, I'll be there in a minute."
You listened until Mabel's footsteps could no longer be heard to let out an anxious breath. Looking down at yourself in your (bikini/tankini/one piece) you wondered if you made the right choice of buying it. It looked okay at the store but now people would actually be looking at you.
Deciding it would be pointless to stay in the stall, you unlocked he door and stepped out. I hope...Dipper and Bill like it.
Dipper's P.O.V.
Bill was being an arrogant jerk, (as always). We were basically screaming at each other arguing because our arguments were heated. Before Mabel stepped out, a life guard (sadly not Wendy) threatened to throw us in pool jail.
Bill threatened to throw him in hell.And then (Y/N) stepped out. She looked amazing in her bathing suit, but she rubbed her arm and looked at the ground anxiously. I felt myself go crimson, she really was beautiful; why didn't she think so?
Bill's P.O.V.
Right after I threatened the pool meat sack, (Y/N) stepped out. She was pretty, but I was in competition mode.
So I did the only thing that I could think of.
I whistled and called her hot stuff.
Your P.O.V.
I could really go without Bill's snarky comments. I felt my face flush infinitely, but that remark made me feel a little uncomfortable.
"The bet starts when everyone enters the pool." I grabbed Dipper's hand nonchalantly, walking to the side of the pool.
Mabel and Bill gawked at us.
We both slinked into the pool, awaiting Bill and Mabel.

YOU ARE READING
Gravity Falls Welcomes You (xreader)
FanfictionThe storyline is kind of different from the show. I just kind of wanted to write about reader-chun having a nice summer in Oregon. You move into Gravity Falls with your uncle Dave. What will happen? Who will be your friends? Who will be your enemie...