Yumiko wants to somehow revive the Sakura family after her husband's death, but she can't do as she pleases because of her indecisive, sloppy, and unreliable son-in-law. Moreover, her daughter is sweet on her son-in-law, and Yumiko was worried every day. Today, too, Yumiko scolded her son-in-law over a small matter. Then, her son-in-law suddenly attacked Yumiko, had her clothes stripped off, and had his dick forcefully inserted. Yumiko resists the sudden thing, but her son-in-law's hot and hard crotch stirs her insides as if digging them up, and a pleasure that makes her lose consciousness overwhelms Yumiko…