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