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