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