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