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