Miho Toono was enjoying a happy married life when her ex-boyfriend suddenly reappeared, threatening her peaceful daily routine. Knowing full well her deep-seated masochistic desires, he uses this knowledge to destabilize her rational mind. Though she screams "stop," her body betrays her words, succumbing to pleasure. Her ex's actions grow increasingly extreme, escalating to the point where Miho is raped by multiple men right in front of her husband. Forced to admit she's a pervert, she repeatedly reaches climax over and over again.