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