SEGA release on December 8, 2016 the next Yakuza game in Japan the Yakuza 6 on PlayStation 4. The official DEMO version of the game released today in the Japan PSN for free where you can clear the FULL Chapter 1.

It should be noted that you can move the save data file to the production version of the game so you can continue it from the next chapter.
Here is the download link: Yakuza 6 DEMO (Japan PSN)