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