Middle-aged women concerned about their aging bodies purchase "corrective undergarments" to regain their shape. However, the effects go beyond mere physical reshaping—unexpectedly, the lingerie ends up arousing their sons. Seeing their mothers' plump, alluring figures up close, the sons become increasingly excited and forcefully engage in intense incestuous acts with them. The copious semen ejaculated into their mothers' private areas is rumored to have skin-beautifying effects. Though verbally resisting, the sexually frustrated mothers are depicted writhing in pleasure from their sons' cocks, unable to suppress their desires.