Japan's Princess Aiko waves to well-wishers as she attends her entrance ceremony at the Gakushuin Girls' Senior High School in Tokyo on April 8, 2017. / AFP PHOTO / POOL / TORU HANAI (Photo credit should read TORU HANAI/AFP/Getty Images)
Japan's Princess Aiko (C), accompanied by her parents Crown Prince Naruhito and Crown Princess Masako, arrives at her entrance ceremony at the Gakushuin Girls' Senior High School in Tokyo on April 8, 2017. / AFP PHOTO / POOL / TORU HANAI (Photo credit should read TORU HANAI/AFP/Getty Images)
Japan's Princess Aiko (C), accompanied by her parents Crown Prince Naruhito and Crown Princess Masako, poses for photos as they attend her entrance ceremony at the Gakushuin Girls' Senior High School in Tokyo on April 8, 2017. / AFP PHOTO / POOL / TORU HANAI (Photo credit should read TORU HANAI/AFP via Getty Images)
Japan's Princess Aiko (C), accompanied by her parents Crown Prince Naruhito and Crown Princess Masako, arrives at her entrance ceremony at the Gakushuin Girls' Senior High School in Tokyo on April 8, 2017. / AFP PHOTO / POOL / TORU HANAI (Photo credit should read TORU HANAI/AFP/Getty Images)
