Japan's Emperor Akihito, Empress Michiko in Hayama

Japan's Emperor Akihito, Empress Michiko in Hayama

TOKYO, Japan - Japanese Emperor Akihito and Empress Michiko wave to local people as they take a stroll on a beach near the Hayama Imperial Villa in the town of Hayama, Kanagawa Prefecture, on Feb. 5, 2014. They will stay in Hayama for a break until Feb. 9.

Japan's Emperor Akihito, Empress Michiko in Hayama

Japan's Emperor Akihito, Empress Michiko in Hayama

TOKYO, Japan - Japanese Emperor Akihito and Empress Michiko speak to local people as they take a stroll on a beach near the Hayama Imperial Villa in the town of Hayama, Kanagawa Prefecture, on Feb. 5, 2014. They will stay in Hayama for a break until Feb. 9.

Crown prince's family in Hayama

Crown prince's family in Hayama

HAYAMA, Japan - Japanese Crown Prince Naruhito (L), his wife Crown Princess Masako (R) and their daughter Princess Aiko, 10, wave to visitors at a park near the Imperial Villa in the seaside resort town of Hayama, Kanagawa Prefecture, on Nov. 7, 2012. (Pool photo)

Crown prince's family in Hayama

Crown prince's family in Hayama

HAYAMA, Japan - Japanese Crown Prince Naruhito (L), his wife Crown Princess Masako (R) and their daughter Princess Aiko, 10, feed carp at a park near the Imperial Villa in the seaside resort town of Hayama, Kanagawa Prefecture, on Nov. 7, 2012. (Pool photo)

(4)Princess Aiko makes 1st outing along seaside

(4)Princess Aiko makes 1st outing along seaside

HAYAMA, Japan - Crown Prince Naruhito (L) and Princess Masako (R) attend their first child, Princess Aiko (C) during their walk near the imperial family residence in Hayama, Kanagawa Prefecture, on April 6.

(1)Princess Aiko makes 1st outing along seaside

(1)Princess Aiko makes 1st outing along seaside

HAYAMA, Japan - Crown Prince Naruhito (L) and Princess Masako (R), along with their first child, Princess Aiko, take a walk near the imperial family residence in Hayama, Kanagawa Prefecture, on April 6, during their vacation.

(3)Princess Aiko makes 1st outing along seaside

(3)Princess Aiko makes 1st outing along seaside

HAYAMA, Japan - Crown Prince Naruhito (R), Princess Masako (2nd from R), and their first child, Princess Aiko (held by the princess), chat with residents in Hayama, Kanagawa Prefecture, on April 6, while walking outside the imperial family residence during their vacation.