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