In this adult role-play, An worries that her husband is infertile and makes an astonishing request of her father-in-law: give her his seed. He is hesitant at first, but her desperate wish to have his adult son's child and her intensely erotic body leave him fully aroused. During their three days in the countryside, he pours decades of pent-up lust and semen inside her again and again. An began having sex only to conceive, but his cock feels so good that she repeatedly loses herself in orgasms while taking every creampie. A few months later, her belly reveals the result...