JUY-985 Yuka Oshima is invited by her mother-in-law who wants her son-in-law's big dick all the time.
Yuka, a mother, lives with her children and son-in-law Takeshi while her husband is transferred to a rural area. While she is living a life of frustration because she cannot meet her husband, she finds out that her daughter and her husband have not been together for a long time... One night, Yuka witnesses Takeshi masturbating alone. Yuka is fascinated by the size of Takeshi's body, and tells herself that she must let out her son-in-law's sexual desire in place of her daughter, seducing Takeshi.
