Aya, attracted to her son who is becoming more manly day by day, ends up taking his virginity. However, sex with the beautiful and busty Aya was enough to captivate her horny son. At first, she was afraid that her husband would find out, so they only had sex when he was at work, but gradually the desire between mother and son became uncontrollable... Eventually, they began to welcome his erect penis as soon as he left the house, and they would be together until the moment he returned home.