Mariko Kotoko, who can't resist the temptation of her son-in-law's big penis no matter what - JUR-595

Mariko, whose daughter stayed at home after her marriage, is happily enjoying a two-generation household. She gets along well with her son-in-law, Takuya, but recently his work remotely has inexplicably increased. She also frequently witnesses him indulging in masturbation… After listening to her account, it seems that her large penis has led to a sexually abstinent relationship with her daughter. Mariko, who is also unhappy about not having sex with her husband in a long time, makes excuses, saying it's for her daughter and husband, while simultaneously performing ejaculation services on his large penis. Each time she plays with his penis, Mariko's deeply buried desires surge forth…