©Courtesy of Sony Pictures  Instead of ghost-busting, demon-slaying could be the top movie profession of the 2020’s. Five years before the KPop Demons Hunters became a breakout sensation, the Demon Slayer: Kimetsu no Yaiba anime franchise (based on Koyoharu Gotouge’s manga) released the #1 global box-office champion of 2020. Admittedly, that year came with an…