https://www.gamespot.com/articles/ps4s-yakuza-6-release-date-delayed-but-a-demo-is-c/1100-6456529/

Those eager to get their hands on Yakuza 6 will be able to try it out fairly soon, but the full experience will now require a longer wait. Sega has announced a delay for the upcoming PS4 title, but a demo is on the way in just a few weeks that will allow players to transfer their save to the full game.