Yumi, a woman with a demure and beautiful appearance, surprisingly harbors a deviant fetish for men with strong body odor. Her daily masturbation routine revolves around indulging in the scent of male sweat. To fulfill her unusual desire, an extreme and perverted sex menu beyond imagination has been prepared. On the other hand, Kodako is a naturally insatiable woman who used to hunt men through phone clubs and spend entire days immersed in sex. Though her activities have slowed recently, her primal instincts are reignited when a black vibrator appears during her interview.