Japanese Princess Kako, younger daughter of the Emperor's second son Prince Akishino, arrives at the International Christian University (ICU) campus for an entrance ceremony to the university in Tokyo on April 2, 2015. Princess Kako enrolled in ICU's college of liberal arts after quitting Gakushuin University last year.  AFP PHOTO / POOL / Yoshikazu TSUNO        (Photo credit should read YOSHIKAZU TSUNO/AFP/Getty Images)