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