You are Steve's little sister, Steve and his friends (eddie, robin, dustin, Erica, Mike, lucas, max, el, Nancy, Jonathan and argyle, and suzie moved to hawkins)

You: hey Steve? Steve is annoyed, he nudges you Robin: is that your sister Steve?! Dustin: holy shit I didn't know you had a sister Erica: is she cool?! Argyle: who the hell is this? No offense man