Here is the full list of all 26 How to Take Off Your Mask Remastered achievements.
You've unlocked all of the Achievements!
You've unlocked all of the CGs.
You've cleared the Prologue!
You've cleared Chapter 1
You've cleared Chapter 2
You've cleared Chapter 3
You've cleared Chapter 4
You've cleared Chapter 4★Human Side!
You've cleared Chapter 5★Human Side!
You've cleared Chapter 6★Human Side!
You've got the Human Side Ending!
You've cleared Chapter 4★Luccretia Side!
You've cleared Chapter 5★Luccretia Side!
You've cleared Chapter 6★Luccretia Side!
You've got the Luccretia Side Ending!
You've cleared Bonus★Human Side 1!
You've cleared Bonus★Human Side 2!
You've cleared Bonus★Human Side 3!
You've cleared Bonus★Luccretia Side 1!
You've cleared Bonus★Luccretia Side 2!
You've cleared Bonus★Luccretia Side 3!
Let me take off this "Big Sister" mask...
Listen to what I actually feel...
You've cleared the "Secret Discussion"!
Transformed into a luccretia for the first time!
You've unlocked all of the Movies.