Akari Nanahara, popular for her glamorous body, has sex with an old man for the first time. Moreover, she is fucked and creampied by three people. Her wife, who is desperate to have a child, is shocked when her husband tests her at the hospital and reports a "none" diagnosis. After thinking about it, the couple decided to get pregnant through sex with her stepfather. It was unthinkable with common sense, but she felt devastated that she would rather ask someone else to do it. Her father-in-law is also hesitant after hearing the advice, but agrees that it is for the sake of the two of them. The father-in-law and his daughter-in-law begin mating on that day, but the father-in-law's friends, who were watching the act, approach the father-in-law with ulterior motives. "You don't have the strength on your own. Let's cooperate too. Hee hee hee..." He dares to have sex at night and makes his wife feel like an aphrodisiac and fucks her and makes her cum. Furthermore, he fucks her in front of her son and cums continuously. The big-breasted wife, who was frustrated with her premature ejaculation husband, shook her hips and climaxed! Her husband is dumbfounded...