Here is the full list of all 19 Tropical Liquor achievements.
Clear the Tutorial
Create a bond with Karen
Create a bond with all the girls
Create a bond with Lisa
Create a bond with Kei
Create a bond with Sakurako
Create a bond with Erika
Create a bond with Ema
Create a bond with Anna
Reach Day 29
Win the Liquor Game on Hard
Win the Liquor Game on Normal
Reach Day 15
Confess to one of the girls
Go on a date with one of the girls
Create a bond with Naomi
Win the Liquor Game on Easy
Clear the Prologue
Welcome to Tropical Island!