Prince Hisahito visits imperial graveyard to report high school gradua… NipponTV 0 15 03.21 19:13 https://www.youtube.com/watch?v=Om1PReCydsU + 1 https://www.youtube.com/feeds/videos.xml?channel_id=UCJD2Br_xC-3vY4nkJ… + 0 Prince Hisahito visits imperial graveyard to report high school graduation