Tormented daily by his mother's promiscuous behavior, Tetsuya finds himself overwhelmed by uncontrollable desires deep inside. One night, as he thinks of his mother, his mind is consumed by lewd fantasies. Before he realizes it, he is intensely craving his mother's genitals. This act, blurring the line between dream and reality, becomes a shocking event that instantly overwhelms both mother and son with overwhelming ecstasy.