Here is the full list of all 15 UnHolY ToRturEr achievements.
End D Unlocked
Anal score reaches 999 points.
Masochism score reaches 999 points.
End E Unlocked
Salacious score reaches 999 points.
Tutorial is over.
She has lost her virginity.
Meeting Emile
End A Unlocked
End B Unlocked
End C Unlocked
End F Unlocked
Boobs and nipples score reaches 999 points.
Clitoris and vagina score reaches 999 points.
Unholy Torturer Unlocked.