Downloading now. May write a preview later.
UPDATE: Been playing for 45 minutes and still going! Man! Is this long. Now this is a Yakuza demo! Only, you use guns instead of your fists. XD There's plenty to check out at the beginning, but don't pick the top option with your secretary unless you want to go straight into the zombie apocalypse.
Protip. Go to options (Hammer and pliers), Top option change to control style B for a more American feel of gunplay. Also, change the two options below that for better camera control.