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