Here is the full list of all 59 Yakuza 6: The Song of Life achievements. It takes around 50-60 hours to unlock all of the achievements on Windows.
Obtained all other achievements.
Completed the game on LEGEND difficulty.
Walked 30 seconds in first-person mode.
Completed all substories.
Requested every hostess.
Maxed out a Kiryu Clan leader's stats.
Achieved 100 victories with the Kiryu Clan.
Raised all stats to a natural 300.
Defeated Amon on any difficulty.
Reached Beloved Customer rank at Snack New Gaudi.
Took a photo of Ono Michio-kun.
Played every minigame.
Played every Club SEGA game.
Completed all of the main story.
Pulled "Great Blessing" at the temple.
Obtained all skills.
Completed Chapter 12.
Completed the Clan Creator storyline.
Raised all stats to a natural 200.
Completed 40 substories.
Completed Chapter 10.
Completed Chapter 8.
Obtained 100,000 total experience points.
Completed Chapter 6.
Ran away from 10 encounters successfully.
Got surrounded by enemies while trying to take a picture.
Made a store employee angry at you.
Experienced every RIZAP training.
Raised the Heat Gauge to a natural 150.
Reached level 3 in the Kiryu Clan.
Defeated the Emperor Squid.
Raised Evade to a natural 150.
Raised Health to a natural 150.
Completed 100 items on the Completion List.
Raised the Kiryu Clan's influence to 10,000.
Assembled the Kiryu Clan.
Completed Chapter 4.
Raised Attack to a natural 150.
Won a baseball game.
Raised Defense to a natural 150.
Completed 10 substories.
Completed 20 types of Trouble Missions.
Found a secret passage.
Activated Extreme Heat Mode 10 times.
Experienced the trials of raising a baby.
Completed Chapter 2.
Completed 5 types of Trouble Missions.
Rescued three stray cats.
Completed 31 items on the Completion List.
Jumped from a dangerously high place.
Chatted with both lovely Live Chat ladies.
Completed 10 items on the Completion List.
Activated five types of eatery combos.
Engaged enemies while a drink's effect is active.
Obtained 10,000 total experience points.
Obtained 25 skills.
Obtained 10 skills.
Obtained 1,000 total experience points.
Arrived in Kamurocho for the first time.