Aya and Koji, who became single-mother families after their father died, decided to live with their father's older brother Tomohiko. However, after a month, Tomohiko had a physical relationship with Aya and began to play the husband's side. And Aya had mixed feelings when she started to treat her son coldly. Because it was connected with his son in a forbidden relationship... And the son who was angry with Tomohiko, who was also interested in Aya's anal, committed her mother's virgin anal to show that her mother was his own.
