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