Mogami Ichika and her husband are colleagues who got married. Her boss, who has had twisted feelings for her since she joined the company, finally snaps, using a work mistake as an excuse to unleash his escalating sexual desires. The office turns into a hunting ground for rape, as relentless and overwhelming sexual violence gradually breaks down Ichika's psyche. Soon, a gang rape ensues, pulling other employees into the assault. Amidst the boss's chilling words, "There's no meaning to this game... you're nothing but my sex slave," this intense, ambitious work pushes Ichika to her physical limits in a brutal gangbang orgy.