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