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