A super-high-class pleasure massage shop where you can get aphrodisiacs so much that your big breasts are arched into shrimp

Meguri, a married woman, casually decides to go after seeing a flyer that says she has free first trial of an oil salon that opened nearby. However, Meguri, an ordinary housewife, falls into the terrifying effect of aphrodisiac oil. Even though her brain knows that it's not possible, her body has transformed into a lewd female, whose uterus always throbbing and arching, in search of pleasure...