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