A mother and her son live together. In order to fulfill her desire as a woman, the mother falls in love with her son. The son is fascinated by defecation, and his desire is unstoppable, and it extends to his own mother. A secret affair takes place in the two-person life of a parent and a child. The love between father and son, which deepens with feces, changes its shape in a distorted way. The long-awaited latest installment in the popular “Oyako Feces” series depicting the refracted love between parent and child! What does your mother's ass smell like?