A movie about the Kabuki theater is a surprise hit in soul-searching Japan

“Kokuho,” which means “national treasure,” has already grossed more than 10 billion yen ($68 million), making it the second-highest grossing Japanese live-action film of all time, and the first to achieve that in more than two decades. It stars heartthrobs Ryo Yoshizawa and Ryusei Yokohama who port...