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