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