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