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