Mark Schilling Japan CorrespondentDespite fears that the Japanese summer box office might be a lost cause, with many big Hollywood and local releases postponed, recent figures indicate that audiences, especially younger fans of hit TV shows, are returning to theaters after the coronavirus hiatus.The number one film for the July 20-26 period, when Japan enjoyed a four-day holiday weekend, was the high school comedy “Beginning Today It Is My Turn.” Following its July 17 release, the film has