Brothers Best Friend (Matt Sturniolo)

A story about a girl named Natalie Doe,

And a boy named Matthew Sturniolo.

"Fuck you."
"Yeah fuck you too."

IN WHICH... Natalie Doe, the year older sister of Nathan Doe, gets introduced to the triplets when they were younger by her brother. He is best friends with all of them. They naturally became a friend group with the addition of Liz (Elizabeth) Natalie's ultimate best friend she met sophomore year and soon after introduced her to the boys.

AND

IN WHICH.. Natalie and Matt have hated each other ever since the day they met. They could never get along. Forced proximity is what keeps them at each other tails every day, and if it wasn't for Matt's brothers, Nick and Chris, and her own brother Nathan, Natalie wouldn't have to deal with Matt.

Tropes:
Enimies to lovers
Forced proximity
Opposites attract of