A mother and son live together. A mother falls in love with her son to satisfy her desires as a woman. The desire of the son fascinated by excretion can not be stopped and extends to his mother. A secret love affair that takes place in the life of only two people, a parent and a child. The parent-child love that deepens with the poop changes its shape into distortion. The long-awaited new work of the popular series "Oyako-dung", which depicts a twisted parent-child love! What does your mom's butt smell like?