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