KSBJ-168 - New mother-in-law plays with me Shiori Natsukawa

My father remarried. The new mother is beautiful, kind, and very sexy. There is a secret between my mother and me. It all started when my mother found out that I was a virgin. My mother, who teased me by showing me her underwear and poking my growing crotch with her foot, asked me, ``Shall I tell you a good thing without telling your father?'' Then my mother showed me how to masturbate as if to teach me about sex...