FILE PHOTO: Princess Mako, the elder daughter of Prince Akishino

FILE PHOTO: Princess Mako, the elder daughter of Prince Akishino and Princess Kiko, and her fiancee Kei Komuro, a university friend of Princess Mako, smile during a press conference to announce their engagement at Akasaka East Residence in Tokyo, Japan, September 3, 2017. REUTERS/Shizuo Kambayashi/Pool/File Photo