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