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