Here is the full list of all 12 Lovingly Evil achievements.
Get a phone number from all 5 love interests
Get the stepmother's Bad Apple ending
Get the stepmother's Banishment ending
Get the clone's good ending
Get the AI's good ending
Get the vampire's friendship ending
Get the vampire's seductive ending
Become a vampire
Get the vampire's romantic ending
Finish the game with as little interaction with characters as possible
Get Satan's Ghosts of the Past -ending.
Get Satan's Found Family ending