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