If you loved Guinea Pig Part 5: Android of Notre Dame, try Woman in a Box: Virgin Sacrifice
A bridge between a film you've already seen and one most people haven't. Woman in a Box: Virgin Sacrifice has roughly 3.1× fewer votes than Guinea Pig Part 5: Android of Notre Dame — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.

Guinea Pig Part 5: Android of Notre Dame

Woman in a Box: Virgin Sacrifice
What they share
Theyboth carry the body horror, dread mood tags, and they sit in Horror territory. If that's the register that drew you to Guinea Pig Part 5: Android of Notre Dame, the second film will land in a comparable space — through a different lens.
What Woman in a Box: Virgin Sacrifice is
Basement. Hum of cicadas. A toolbox. Bound and gagged, a young woman awakens inside a cramped crate. Her captors, a man and woman, enact a perverse ritual of control. Konuma’s mondo-exploitation functions as a deranged missing-persons PSA.