Full list of all 67 CUPID - A free to play Visual Novel achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
--
You were jealous of Catherine
You haven't read all of Guilleme's Journal
Your Purpose is Revenge
Start the game with Verbal Abuse
Chose to play with the Mature Filter Turned off!
Your Purpose is Justice
You stayed with Rosa
You gave Rosa her Freedom
You've read all the entries in Guilleme's Journal!
You believed Catherine was selfish
Unlocked all Endings!
You unlocked the Secret Ending!
Unlocked the Joke Journal
Unlocked the Epilogue
Unlocked All Endings
Unlocked all Entries!