Finn Wolfhard story

Y/n: new to school
Finn: One of her bestfriends (or more?)
Louis: one of Finns bestfriends
Noah: Finns bestfriends
Caleb:also one of Finns bestfriends
Millie:Y/ns bestfriend
Sadie:also y/ns bestfriend
Joe (you know him as steve from stranger things ): Y/ns brother

And some side characters