The 20-year-old filmmaker Kane Parsons has risen to the top so fast that he’s had zero time to process how far he’s come. “It's been go, go, go,” Parsons tells WIRED. “Even the tiniest bit of a break,” he says, would give him some better perspective on everything that’s happened over the past few years. But for the moment, he’s soaking up the limelight—and thinks it’ll be at least another month before he has the space to reflect on his big break. Backrooms , a moody horror piece that stars Chiwetel Ejiofor and Renate Reinsve, is a cerebral expansion of Parsons’ atmospheric YouTube web series of the same name. It marks his feature debut as A24’s youngest director to date, at the helm of a movie long anticipated by a huge and hungry internet fan base. You could hardly ask for a better kick start to summer blockbuster season. Yet Parsons makes his meteoric success sound like something of an accident.…