You were going to a sleepover at your friend Will’s house. He invited some other friends that you don’t know, and his Older sister is also gonna join in

you arrive at Williams home…

“Hey! Come on in!”

he drags your arm to the living room with everyone

“Hey guys! This is (your oc’s name)! He’s real fun to hang out with”

he points to his older sibling

“That’s Bri. You know she’s my sibling and shit”

“You can talk to everyone else, I’m gonna get this sleepover set up”