Her daughter and son-in-law work at the same company. In contrast to her reliable daughter, Toshiyo's sloppy son-in-law has been accumulating frustration. She scolds her son-in-law for not getting up properly every day, and then her daughter and son-in-law go to work with their heads down. But today was different. Her son-in-law returns home saying he forgot something, grabs Toshiyo's breasts, says he'll show her if he's a pathetic man, and starts caressing her roughly. Toshiyo, as expected, can't withstand her son-in-law's strength, and when he sucks her private parts, she reaches orgasm. Toshiyo is dizzy from the intense pleasure she hasn't felt in a long time. When her son-in-law urges her to hold his penis in her mouth, she refuses, but in fact her saliva is overflowing and she even wants to suck it quickly. She is made to crawl on all fours, and when her son-in-law penetrates her, she reaches orgasm in an instant due to the overwhelming pleasure. Toshiyo has been experiencing orgasms many times since then, until her son-in-law ejaculates. That night at dinner, neither Toshiyo nor her son-in-law could look at each other. Just thinking about her son-in-law made Toshiyo's lower body tingle, and her hands naturally began to reach out to play with her private parts. She had masturbated many times in the half day since her son-in-law had embraced her. As Toshiyo soaked in the bathtub, her hands again reached for her crotch. Then the bathroom door opened and her son-in-law came in. Toshiyo was surprised, but her expression had already turned that of a woman, and she accepted her son-in-law's kiss and they played with each other's bodies. Then she accepted his hot cock, firmly receiving and savoring his milky bodily fluids inside her...