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