The boy across the street

"Gracie, who's that boy?" my little sister, Stella asked me that cold, Friday evening. "I don't know..." I answered her. The house across the street had been empty for years and I didn't remember seeing a moving truck recently, but there was definitely someone living there. There was a car parked in the driveway and a swing set out in the front yard. I hadn't really gotten a good look at the boy before but just as I went to turn away from the window, I saw him. He had bright green eyes and messy, dirty blonde hair and wore joggers and a sweatshirt. I knew right then that there was something different about him, I just had to figure out what.