Yoichi, who saw his mother Aya tidying up the room, felt excited about Aya. One day, when Yoichi comes home, he sees a disturbed figure that makes a moaning voice during copulation with his father. Lustful Yoichi forces a young hard cock into Aya's mouth and plays with Aya like a slave next to her sleeping father. AYA who was inserted a meat stick suppressed her voice and writhes many times.