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