Here is the full list of all 62 Like a Dragon Gaiden: The Man Who Erased His Name achievements.
Defeated Amon.
Bonded completely with 5 Joryu Clan members.
Completed all matches with a Platinum rank.
Completed the Final Chapter.
Completed Chapter 4.
Defeated the fourth of the Four Kings.
Defeated the third of the Four Kings.
Defeated the second of the Four Kings.
Defeated the first of the Four Kings.
Reached 30,000 fans.
Bonded completely with a Joryu Clan member.
Completed Chapter 3.
Completed Chapter 2.
Completed a 1-Shot Challenge on normal difficulty.
Completed all matches with a Gold rank.
Obtained 30 types of outfit items.
Recruited 30 members to the Joryu Clan.
Reached 10,000 fans.
Played at the casino and gambling hall in the Castle.
Activated the Serpent gadget during battle 50 times.
Obtained 50 abilities through Upgrade Abilities.
Completed 15 requests for Akame.
Unlocked the Masters Circuit in Pocket Circuit.
Obtained 10 types of equipment items.
Earned a Platinum rank at the Castle.
Completed all matches with a Silver rank.
Bonded completely with Akame.
Recruited 20 members to the Joryu Clan.
Reached 3,000 fans.
Detonated the Firefly gadget during battle 50 times.
Reached 1,000 fans.
Used Extreme Heat 30 times.
Obtained 30 abilities through Upgrade Abilities.
Went to karaoke with Akame and sang a duet.
Earned a Gold rank at the Castle.
Obtained 15 types of outfit items.
Completed 50 Stroll n' Patrol missions.
Completed 10 requests for Akame.
Recruited 10 members to the Joryu Clan.
Completed 5 requests for Akame.
Obtained some Balls.
Won a game of darts.
Won 3 Rival Matches in Pocket Circuit.
Completed 30 Stroll n' Patrol missions.
Obtained 20 abilities through Upgrade Abilities.
Earned a Silver rank at the Castle.
Obtained 10 abilities through Upgrade Abilities.
Activated the Hornet gadget during battle 100 times.
Activated the Spider gadget during battle 50 times.
Completed 10 Stroll n' Patrol missions.
Completed Chapter 1.
Used Ultimate Counter 5 times.
Obtained all achievements.
Bonded completely with 10 Joryu Clan members.
Obtained 50 types of outfit items.
Played 10 minigames.
Completed all hostess missions at Club Heavenly.
Completed all hostess missions at Castle Cabaret.
Played 5 different games on the SEGA Master System.
Played 6 different games at the arcade.
Obtained 30 items from coin lockers.
Threw an enemy into the river with the Spider gadget.