A few years after marrying her husband, Rui and her husband have been trying to have a baby. However, their sexual encounters are short, and only happen on ovulation days, so Rui's body is not satisfied. Her father-in-law, who lives with them, notices Rui's sexual frustration... One day, as Rui heads to the bathroom after their sexual encounter, her father-in-law is waiting for her in the hallway. Rui can't contain her throbbing body as her father-in-law attacks her with his cock, which is incomparable to her husband's. He repeatedly pours his semen into her, as if to scoop out her husband's sperm...