A Gentle Mother and My Secret That Belongs Only to the Two of Us - Ryoko Nagase OKSN-199

The first installment of a mother-son series featuring a young boy! Ryoko, a woman with an outstanding figure who dotes on her son Ken, lives with him. Seeing Ken's erect penis in the morning, Ken, who has no sexual knowledge, is gently masturbated by his mother! Unable to resist, the mother also begins to perform oral sex on him. They manage to get permission to penetrate him while they're sleeping, and thus begin having sex that could give birth!