Megumi, a married Megumi, saw a flyer for a new oil massage parlor in her neighborhood offering a free first-time trial and decided to go. However, the ordinary housewife fell victim to the horrifying effects of the aphrodisiac oil. Even though her brain knew it was wrong, her body was craving pleasure and she was transformed into a lustful female whose uterus was constantly throbbing and whose body arched backwards in agony...