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...

シングルマザーの今日子さんと付き合っているオレ。しかし実のところ今日子さんには興味がない。娘のりおちゃんにしか興味がない。ある日、結婚を餌に今日子さんを説得しりおちゃんと2人きりで話す機会を設けてもらったオレ。ついにこの時が来たとばかりにりおちゃんに襲い掛かる。ピチピチのマンコを堪能し中出しまでしっかりキメて最高の気分。しかし…それは母娘ぐるみで仕組まれた罠で、りおちゃんとのセックス音声をこっそり今日子さんに録音されていた。弱みを握られたオレは媚薬を飲まされ、母娘の性欲が満たされるまで一生肉バイブとして使われることに…。