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