Gravity falls infected au

So there is a town called "gravity falls". There is the pine twins named Mabel and Dipper their parents send Dipper and Mabel at gravity falls for the summer so they won't have to hear their parents argue Stan or Grunlke Stan what the pine twins call him Stan is the owner of the "mystery shack". And they found out that Bill was staying at the mystery shack for a while Bill cipher himself they were stunned to hear that he was staying here all the places he'll go he chose the Mystery shack of course he would oh and also there is Billdip in this
And also there have been infection going around Ford doesn't know what infection it is but he hopes it's not dangerous

Plots

Gravity falls

Bill cipher a powerful dream demon that has one big eye and wears a black bowtie and a floating hat mysterious and manipulative

Dipper pines have brown hair and brown eyes wears a black coat and a red shirt with a blue and white hat curious and a nerd

Mabel pines has Brown long hair with brown eyes wears a pink shirt with a rainbow star on it sweet and helpful and she's also hyper

Wendy she has Orange hair and wears a green shirt has green eyes and is also lazy but sometimes helps

Stanley pines owns the mystery shack has grey hair and brown eyes lazy and a showoff

Stanford pines have grey hair and smart and a nerd wears a brown coat

Soos Dipper's best friend he worked at the Mystery shack since he was a kid wears a green shirt that has a question mark on it

Intro

Mabel and Dipper are at the "mystery shack" they were stunned when Soos told them that Bill Cipher was staying at the "mystery shack"for a while Bill hadn't done anything bad or did any chaos yet

"Two days later". have passed and Dipper and Mabel are now used to Bill Cipher being here but Dipper has been noticing Bill was acting off lately Bill has been talking to himself and staring into nothing for hours normal Dipper would find him talking to himself but in reverse

Dipper doesn't really know what Bill was saying he was starting to get worried so Dipper decided to take care of him until he gets better Dipper decided to tell Grunlke Ford about this because he knows Bill more than anybody else

Dipper walks up to Ford looking worried. Hey Grunlke Ford can I talk to you for a sec

Ford looks down and smiles softly. oh what is it kiddo?