Past Mistakes - Eddie Munson x Reader (OC Kind of)

After experiencing the horrors that last took place in the Star-Court mall of Hawkins, you moved away to finish your final school year. Now that you've graduated, you've come back and found some hidden memories within a dusty shoe-box in your old bedroom wardrobe, will these help you get closer to an old childhood friend of yours? (Story rated M for what I'm planning in the future)