This is a case where the villainess doesn't succumb to any one specific method of death, but is instead subjected to multiple extreme tortures over a period of time before finally expiring.
Gallery
Jezebel (Sins of Jezebel) - Last Edited: 2022-02-16
SuperAngel (Supervixens) - Last Edited: 2022-02-15
Ms. Cipher (Detention) - Last Edited: 2022-01-31
Princess Phaedra (Minotaur, the Wild Beast of Crete) - Last Edited: 2022-01-03
Violet Kimura (The Machine Girl) - Last Edited: 2021-12-07
Toya (Sex and Candy) - Last Edited: 2021-11-12
Elsa Riley (Moon Raven Tales) - Last Edited: 2021-11-12
Megumi Shimizu (Shiki) - Last Edited: 2021-10-16
Esther Sperling (Storie Blu) - Last Edited: 2021-10-14