Here is the full list of all 15 Lust for Darkness VR: M Edition achievements.
Enter the Yelvertons' Mansion
Enter the world of Lusst'ghaa
Defeat Willard Yelverton
Rescue Amanda from the mansion
Finish the game
Get captured by the cultists
Go insane
Die
Listen to the full dialogue about the name "Lusst'ghaa"
Open the chest in Amanda's room
Spend 10 minutes at the cultists' orgy in the Yelvertons' Mansion
Complete the Side Story: Cult of Ecstasy
Complete the Side Story: Arcanes of Lusst'ghaa
Complete the Side Story: Yelvertons' Legacy
Complete all the Side Stories