My stepmother is always craving a big dick from my son-in-law.

Rei is a mother living with her daughter and her husband and she spends her happy days. However, his underwear is lost, and he witnesses his son-in-law Takeshi masturbating into the material. Apparently the reason is due to a lack of sex between a couple... Rei, sympathizing with his huge cock that was never used, seduces Takeru in heat, saying, "I'll help you in place of my daughter." Although he knows that he is his wife's mother, Takeshi can't control his excitement at her lewd behavior, and reveals his big cock, which is hard and erect...