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