When Hayao Miyazaki announced his retirement from Japan’s greatest animation studio in 2013, his young protege Hiromasa Yonebayashi wasn’t worried. The master had already retired five times before. “He was always saying, ‘Oh this could be the last film.’” Yonebayashi shrugs. “He’s still in the office.” You get the feeling that’s not entirely a comfort. Miyazaki is not the only director at Studio G