Elite female investigator Aoi Chie infiltrates a company suspected of drug trafficking, only to be discovered by a drug dealer and subjected to cruel and lewd training. Despite her desperate resistance, she is brutally whipped, subjected to candle torture, and ravaged by the penises of these beasts until she becomes their sex slave. No matter how much she cries out, no one will come to her rescue... This is hell of humiliation, gang rape, and penetration!