Late at night, a woman is kidnapped by an unknown assailant and taken back to his blood-spattered dungeon, where he turns her into a "flower of blood and flesh" through a series of dismemberment and evisceration.
Guinea Pig: Devil's Experiment
Code Geass: Akito the Exiled 2: The Wyvern Divided
The Night Flier
Guinea Pig Part 3: He Never Dies