Prince hisahito of Japan has made history by becoming the first Royal Male in the nation to reach the age of 16 as the youngest member of the 17 member all- adult Imperial family he stands out in a lineage currently with only four men hisahito is seen as an essential figure for the future of the Japanese Imperial family amid concerns over declining male succession his Milestone is a moment of joy for the nation highlighting both tradition and the pressing discussions on the future of the monarchy