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