Princess Mako, the first grandchild of Japanese Emperor Akihito, on Wednesday left Tokyo's Haneda airport for a nine-day official visit to Bhutan, during which she is expected to meet with King Jigme Khesar Namgyel Wangchuck.It is the third official visit abroad by the 25-year-old princess, who will soon become engaged to a university classmate who now works as a paralegal at a Tokyo law firm.The princess, the eldest daughter of Prince Akishino and Princess Kiko, is set to arrive in Bhutan on Thursday after spending a night in Singapore.She is expected to attend a welcome ceremony in the co…READ FULL ARTICLE