Marking her 23rd birthday on Dec. 1, Princess Aiko fondly recalled the first trip she made outside Tokyo alone this autumn as ...

Princess Aiko, the only child of Emperor Naruhito and Empress Masako, turned 23 on Sunday, marking her first year as a ...

In October, the princess performed her first official duties outside Tokyo alone, visiting Saga Prefecture in the ...

Japan’s popular Princess Aiko has turned 23. She's taking on more official duties even as her future in the imperial family ...