A guy named John, who's dating married woman Kyoko, finds himself more interested in her daughter Rio than he does in Kyoko herself. One day, John convinces Kyoko to give him some alone time with Rio under the pretext of discussing their marriage. As soon as they are alone together, John pounces on Rio, taking full advantage of her tight little pussy and giving her a satisfying creampie. However, unbeknownst to John, both Kyoko and Rio had planned this encounter as part of a trap; Rio secretly recorded their sexual activities, which included incriminating audio evidence against John. With his weakness exploited, John is forced to drink aphrodisiac and serve as a living sex toy for both mother and daughter until their desires are fully satisfied...