Akiko, the mother, has fallen into a serious state of sexual frustration. Lately, she can't stop masturbating even when I'm in the next room. Hearing her pitiful moans, her son's heart aches, and he decides to perform a taboo act of filial piety. He wants to comfort his beloved mother. Driven by this single-minded desire, he forcefully advances, and the two clash together with love and lust according to their instincts, crossing the forbidden line. Their intense emotions are not about to subside with just one time...
