'Demon Slayer: Kimetsu no Yaiba Infinity Castle' Koyoharu Gotoge SHUEISHA Aniplex ufotable/Sony Pictures If Sony's Hollywood studio rivals weren't already scrambling for a big-screen anime strategy, they certainly should be now. When Demon Slayer: Infinity Castle arrived in theaters late last year, it didn't just mark another milestone in anime's ongoing ascent into the global mainstream - it delivered one of the most staggering box office performances in animation history. The film has grossed $722 million worldwide, including a remarkable $134.