Here is the full list of all 59 Yakuza Kiwami 2 achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Learned all Battle Skills.
Learned all skills.
Defeated all street bosses.
Completed all bouncer missions.
Completed the Majima Saga.
Learned all Heat Actions.
Win all the Coliseum's tournaments.
Took 10 photographs.
Complete all substories.
Completed the "Ultimate Assassin" substory.
Registered 30 hostesses.
Defeated 100 enemies using weapons.
Opened all coin lockers.
Recruited over 50 workers into Majima Construction.
Completed the Clan Creator storyline.
Possessed over 200,000 points in Clan Creator.
Donated 1,000,000 yen to Sunflower Orphanage.
Raised all base stats to maximum.
Lent an ear to all the platinum hostesses.
Completed the Four Shine storyline.
Learned all Life Skills.
Possessed over 10,000,000 yen.
Ate at all restaurants.
Completed the final chapter.
Completed Chapter 15.
Watched all the videos.
Completed Chapter 14.
Completed Chapter 13.
Broke the limit on a base stat.
Completed Chapter 12.
Completed Chapter 11.
Completed Chapter 10.
Raised Defense to a natural 180.
Raised Health to a natural 180.
Completed Chapter 9.
Won first league championship in the Cabaret Club Grand Prix.
Raised Attack to a natural 180.
Completed Chapter 8.
Completed Chapter 7.
Raised the Heat Gauge to a natural 180.
Completed Chapter 6.
Completed 30 substories.
Completed Chapter 5.
Became a Majima Construction employee.
Completed 50 items on the Completion List.
Destroyed an establishment three times.
Completed Chapter 4.
Joined Club Four Shine.
Completed 30 items on the Completion List.
Completed 10 substories.
Completed Chapter 3.
Completed 10 items on the Completion List.
Completed Chapter 2.
Completed Chapter 1.
Obtained all achievements.
Completed the game in Legend mode.
Completed 100% of the Completion List.
Played all minigames.
Drank all drink types from vending machines.