In this photo released by the Imperial Household Agency, Japanese Prince Hisahito, the son of Prince Akishino and Princess Kiko, poses at their residence in Tokyo August 26, 2008. Prince Hisahito, the Japanese imperial family's first male heir to be born in 41 years, celebrated his second birthday on Saturday, September 6, 2008. Picture taken August 26, 2008. REUTERS/Imperial Household Agency/Handout (JAPAN)