Princess Aiko of Japan, the only child of Emperor Naruhito and Empress Masako, turned 21. Princess Aiko was born on December 1, 2001. On the occasion of the birthday, the Imperial Household Agency shared new photos. The photos were taken in the stables division of the Imperial Palace in Tokyo. Japanese Princess Aiko is currently a junior at the Faculty of Letters at Gakushuin University in Tokyo.
