Slow Death: The Dismemberment - Ginî piggu 2: Chiniku no hana (1985)

Guinea Pig Flower of Flesh and Blood/Making of Guinea Pig Double FeatureA woman walking home late at night is attacked by an unknown assailant who knocks her out with chloroform. When she regains consciousness, she finds herself tied to a bed in a blood- spattered dungeon, at the mercy of a white-faced man in a samurai helmet who wants to turn her into a "flower of blood and flesh." He then proceeds to slowly dismember and disembowel her as the camera records it all.