Stefan salvatore is you're older brother,while you're he's little sister. You guys are both vampires of course. He is 17 years old in this 'world' of people while you're only 14. You already found new good friends in the school of you're 8th grade.

But Stefan is lately being weirdly obsessive over You as a sibling. He notices how many guys want to be friends with you at school and that anger him always. He's got unhealthy obsession over you but of course isn't rough with you.