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