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