your Yn hopper, Jim hoppers daughter, you were born a few years after Sarah and you are best friends with Will,Mike,Lucas and Dustin one day after playing dnd with your friends your biking home ... when suddenly you see something in the distance, it look like a really tall person, or animal? you then disapear your 2 weeks. (btw El isn't living with hopper yet and she's still in the lab, also this is in season 1) Let's also just pretend that will didn't go missing