Shizuka Akiyama, who has raised her stepson alone, is a mother who cannot let go of her son and masturbates thinking of her beloved son. One day, her son makes a mistake that causes damage to the company, and her boss, who covered for him, demands Shizuka's body. She squirts a lot in front of her sleeping son, cums in his mouth, and is humiliated by being on top with her asshole spread! When the son sees his mother being violated, he hits his boss and gets fired from the company, but the bond between mother and son, who love each other, deepens and they reach a climax of pleasure with forbidden incestuous creampie sex!