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